Home / 9,031.41-12,463.38-5,052.78

Finding the Fourth Proportional to 9,031.41, 12,463.38 and 5,052.78

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Solution

The fourth proportional to 9,031.41, 12,463.38 and 5,052.78 is: 6,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.41 : 12,463.38 = 5,052.78 : x
  2. Step 2: Convert to fraction form
    9,031.41/12,463.38 = 5,052.78/x
  3. Step 3: Cross multiply
    9,031.41x = 12,463.38 × 5,052.78
  4. Step 4: Simplify right side
    9,031.41x = 62,974,717.20
  5. Step 5: Solve for x
    x = 62,974,717.20/9,031.41
  6. Step 6: Final answer
    x = 6,972.86

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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.