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Finding the Fourth Proportional to 11,212.04, 15,472.04 and 6,734.90

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Solution

The fourth proportional to 11,212.04, 15,472.04 and 6,734.90 is: 9,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.04 : 15,472.04 = 6,734.90 : x
  2. Step 2: Convert to fraction form
    11,212.04/15,472.04 = 6,734.90/x
  3. Step 3: Cross multiply
    11,212.04x = 15,472.04 × 6,734.90
  4. Step 4: Simplify right side
    11,212.04x = 104,202,642.20
  5. Step 5: Solve for x
    x = 104,202,642.20/11,212.04
  6. Step 6: Final answer
    x = 9,293.82

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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.