Home / 10,522.46-15,785.30-3,126.02

Finding the Fourth Proportional to 10,522.46, 15,785.30 and 3,126.02

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Solution

The fourth proportional to 10,522.46, 15,785.30 and 3,126.02 is: 4,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.46 : 15,785.30 = 3,126.02 : x
  2. Step 2: Convert to fraction form
    10,522.46/15,785.30 = 3,126.02/x
  3. Step 3: Cross multiply
    10,522.46x = 15,785.30 × 3,126.02
  4. Step 4: Simplify right side
    10,522.46x = 49,345,092.39
  5. Step 5: Solve for x
    x = 49,345,092.39/10,522.46
  6. Step 6: Final answer
    x = 4,689.50

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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.