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Finding the Fourth Proportional to 10,041.59, 13,863.76 and 6,458.22

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Solution

The fourth proportional to 10,041.59, 13,863.76 and 6,458.22 is: 8,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.59 : 13,863.76 = 6,458.22 : x
  2. Step 2: Convert to fraction form
    10,041.59/13,863.76 = 6,458.22/x
  3. Step 3: Cross multiply
    10,041.59x = 13,863.76 × 6,458.22
  4. Step 4: Simplify right side
    10,041.59x = 89,535,195.96
  5. Step 5: Solve for x
    x = 89,535,195.96/10,041.59
  6. Step 6: Final answer
    x = 8,916.43

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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.