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Finding the Fourth Proportional to 11,551.47, 15,941.04 and 6,246.29

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Solution

The fourth proportional to 11,551.47, 15,941.04 and 6,246.29 is: 8,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.47 : 15,941.04 = 6,246.29 : x
  2. Step 2: Convert to fraction form
    11,551.47/15,941.04 = 6,246.29/x
  3. Step 3: Cross multiply
    11,551.47x = 15,941.04 × 6,246.29
  4. Step 4: Simplify right side
    11,551.47x = 99,572,358.74
  5. Step 5: Solve for x
    x = 99,572,358.74/11,551.47
  6. Step 6: Final answer
    x = 8,619.89

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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.