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Finding the Fourth Proportional to 11,008.92, 15,192.16 and 5,973.12

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Solution

The fourth proportional to 11,008.92, 15,192.16 and 5,973.12 is: 8,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.92 : 15,192.16 = 5,973.12 : x
  2. Step 2: Convert to fraction form
    11,008.92/15,192.16 = 5,973.12/x
  3. Step 3: Cross multiply
    11,008.92x = 15,192.16 × 5,973.12
  4. Step 4: Simplify right side
    11,008.92x = 90,744,594.74
  5. Step 5: Solve for x
    x = 90,744,594.74/11,008.92
  6. Step 6: Final answer
    x = 8,242.82

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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.