Home / 11,244.12-15,502.44-9,220.11

Finding the Fourth Proportional to 11,244.12, 15,502.44 and 9,220.11

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Solution

The fourth proportional to 11,244.12, 15,502.44 and 9,220.11 is: 12,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.12 : 15,502.44 = 9,220.11 : x
  2. Step 2: Convert to fraction form
    11,244.12/15,502.44 = 9,220.11/x
  3. Step 3: Cross multiply
    11,244.12x = 15,502.44 × 9,220.11
  4. Step 4: Simplify right side
    11,244.12x = 142,934,202.07
  5. Step 5: Solve for x
    x = 142,934,202.07/11,244.12
  6. Step 6: Final answer
    x = 12,711.91

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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.