Home / 11,192.83-15,438.20-9,502.61

Finding the Fourth Proportional to 11,192.83, 15,438.20 and 9,502.61

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Solution

The fourth proportional to 11,192.83, 15,438.20 and 9,502.61 is: 13,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.83 : 15,438.20 = 9,502.61 : x
  2. Step 2: Convert to fraction form
    11,192.83/15,438.20 = 9,502.61/x
  3. Step 3: Cross multiply
    11,192.83x = 15,438.20 × 9,502.61
  4. Step 4: Simplify right side
    11,192.83x = 146,703,069.00
  5. Step 5: Solve for x
    x = 146,703,069.00/11,192.83
  6. Step 6: Final answer
    x = 13,106.88

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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.