Home / 10,574.29-15,862.11-3,553.75

Finding the Fourth Proportional to 10,574.29, 15,862.11 and 3,553.75

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Solution

The fourth proportional to 10,574.29, 15,862.11 and 3,553.75 is: 5,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.29 : 15,862.11 = 3,553.75 : x
  2. Step 2: Convert to fraction form
    10,574.29/15,862.11 = 3,553.75/x
  3. Step 3: Cross multiply
    10,574.29x = 15,862.11 × 3,553.75
  4. Step 4: Simplify right side
    10,574.29x = 56,369,973.41
  5. Step 5: Solve for x
    x = 56,369,973.41/10,574.29
  6. Step 6: Final answer
    x = 5,330.85

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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.