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Finding the Fourth Proportional to 8,862.02, 12,229.59 and 4,883.13

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Solution

The fourth proportional to 8,862.02, 12,229.59 and 4,883.13 is: 6,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.02 : 12,229.59 = 4,883.13 : x
  2. Step 2: Convert to fraction form
    8,862.02/12,229.59 = 4,883.13/x
  3. Step 3: Cross multiply
    8,862.02x = 12,229.59 × 4,883.13
  4. Step 4: Simplify right side
    8,862.02x = 59,718,677.82
  5. Step 5: Solve for x
    x = 59,718,677.82/8,862.02
  6. Step 6: Final answer
    x = 6,738.72

Related Problems

Find fourth proportional to 4,431.01, 6,114.80 and 2,441.57
Half scale
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Double scale
Find fourth proportional to 8,863.02, 12,230.97 and 4,884.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.