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Finding the Fourth Proportional to 10,862.10, 14,993.02 and 6,326.13

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Solution

The fourth proportional to 10,862.10, 14,993.02 and 6,326.13 is: 8,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.10 : 14,993.02 = 6,326.13 : x
  2. Step 2: Convert to fraction form
    10,862.10/14,993.02 = 6,326.13/x
  3. Step 3: Cross multiply
    10,862.10x = 14,993.02 × 6,326.13
  4. Step 4: Simplify right side
    10,862.10x = 94,847,749.03
  5. Step 5: Solve for x
    x = 94,847,749.03/10,862.10
  6. Step 6: Final answer
    x = 8,731.99

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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.