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Finding the Fourth Proportional to 9,215.96, 12,717.96 and 5,024.24

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Solution

The fourth proportional to 9,215.96, 12,717.96 and 5,024.24 is: 6,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.96 : 12,717.96 = 5,024.24 : x
  2. Step 2: Convert to fraction form
    9,215.96/12,717.96 = 5,024.24/x
  3. Step 3: Cross multiply
    9,215.96x = 12,717.96 × 5,024.24
  4. Step 4: Simplify right side
    9,215.96x = 63,898,083.35
  5. Step 5: Solve for x
    x = 63,898,083.35/9,215.96
  6. Step 6: Final answer
    x = 6,933.42

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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.