Home / 10,084.28-15,126.45-3,508.90

Finding the Fourth Proportional to 10,084.28, 15,126.45 and 3,508.90

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Solution

The fourth proportional to 10,084.28, 15,126.45 and 3,508.90 is: 5,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.28 : 15,126.45 = 3,508.90 : x
  2. Step 2: Convert to fraction form
    10,084.28/15,126.45 = 3,508.90/x
  3. Step 3: Cross multiply
    10,084.28x = 15,126.45 × 3,508.90
  4. Step 4: Simplify right side
    10,084.28x = 53,077,124.77
  5. Step 5: Solve for x
    x = 53,077,124.77/10,084.28
  6. Step 6: Final answer
    x = 5,263.35

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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.