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Finding the Fourth Proportional to 11,283.71, 15,572.05 and 6,248.14

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Solution

The fourth proportional to 11,283.71, 15,572.05 and 6,248.14 is: 8,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.71 : 15,572.05 = 6,248.14 : x
  2. Step 2: Convert to fraction form
    11,283.71/15,572.05 = 6,248.14/x
  3. Step 3: Cross multiply
    11,283.71x = 15,572.05 × 6,248.14
  4. Step 4: Simplify right side
    11,283.71x = 97,296,293.94
  5. Step 5: Solve for x
    x = 97,296,293.94/11,283.71
  6. Step 6: Final answer
    x = 8,622.73

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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.