Home / 11,031.71-15,222.65-6,251.27

Finding the Fourth Proportional to 11,031.71, 15,222.65 and 6,251.27

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Solution

The fourth proportional to 11,031.71, 15,222.65 and 6,251.27 is: 8,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.71 : 15,222.65 = 6,251.27 : x
  2. Step 2: Convert to fraction form
    11,031.71/15,222.65 = 6,251.27/x
  3. Step 3: Cross multiply
    11,031.71x = 15,222.65 × 6,251.27
  4. Step 4: Simplify right side
    11,031.71x = 95,160,787.90
  5. Step 5: Solve for x
    x = 95,160,787.90/11,031.71
  6. Step 6: Final answer
    x = 8,626.12

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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.