Home / 8,817.83-12,168.19-4,838.86

Finding the Fourth Proportional to 8,817.83, 12,168.19 and 4,838.86

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Solution

The fourth proportional to 8,817.83, 12,168.19 and 4,838.86 is: 6,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.83 : 12,168.19 = 4,838.86 : x
  2. Step 2: Convert to fraction form
    8,817.83/12,168.19 = 4,838.86/x
  3. Step 3: Cross multiply
    8,817.83x = 12,168.19 × 4,838.86
  4. Step 4: Simplify right side
    8,817.83x = 58,880,167.86
  5. Step 5: Solve for x
    x = 58,880,167.86/8,817.83
  6. Step 6: Final answer
    x = 6,677.40

Related Problems

Find fourth proportional to 4,408.92, 6,084.10 and 2,419.43
Half scale
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Double scale
Find fourth proportional to 8,818.83, 12,169.57 and 4,839.86
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.