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Finding the Fourth Proportional to 11,862.70, 16,370.52 and 6,557.52

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Solution

The fourth proportional to 11,862.70, 16,370.52 and 6,557.52 is: 9,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.70 : 16,370.52 = 6,557.52 : x
  2. Step 2: Convert to fraction form
    11,862.70/16,370.52 = 6,557.52/x
  3. Step 3: Cross multiply
    11,862.70x = 16,370.52 × 6,557.52
  4. Step 4: Simplify right side
    11,862.70x = 107,350,012.31
  5. Step 5: Solve for x
    x = 107,350,012.31/11,862.70
  6. Step 6: Final answer
    x = 9,049.37

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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.