Home / 10,177.08-15,265.83-6,689.31

Finding the Fourth Proportional to 10,177.08, 15,265.83 and 6,689.31

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Solution

The fourth proportional to 10,177.08, 15,265.83 and 6,689.31 is: 10,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.08 : 15,265.83 = 6,689.31 : x
  2. Step 2: Convert to fraction form
    10,177.08/15,265.83 = 6,689.31/x
  3. Step 3: Cross multiply
    10,177.08x = 15,265.83 × 6,689.31
  4. Step 4: Simplify right side
    10,177.08x = 102,117,869.28
  5. Step 5: Solve for x
    x = 102,117,869.28/10,177.08
  6. Step 6: Final answer
    x = 10,034.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.