Home / 11,130.03-15,366.61-9,932.95

Finding the Fourth Proportional to 11,130.03, 15,366.61 and 9,932.95

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Solution

The fourth proportional to 11,130.03, 15,366.61 and 9,932.95 is: 13,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.03 : 15,366.61 = 9,932.95 : x
  2. Step 2: Convert to fraction form
    11,130.03/15,366.61 = 9,932.95/x
  3. Step 3: Cross multiply
    11,130.03x = 15,366.61 × 9,932.95
  4. Step 4: Simplify right side
    11,130.03x = 152,635,843.64
  5. Step 5: Solve for x
    x = 152,635,843.64/11,130.03
  6. Step 6: Final answer
    x = 13,713.87

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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.