Home / 9,932.40-13,706.16-5,456.16

Finding the Fourth Proportional to 9,932.40, 13,706.16 and 5,456.16

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Solution

The fourth proportional to 9,932.40, 13,706.16 and 5,456.16 is: 7,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.40 : 13,706.16 = 5,456.16 : x
  2. Step 2: Convert to fraction form
    9,932.40/13,706.16 = 5,456.16/x
  3. Step 3: Cross multiply
    9,932.40x = 13,706.16 × 5,456.16
  4. Step 4: Simplify right side
    9,932.40x = 74,783,001.95
  5. Step 5: Solve for x
    x = 74,783,001.95/9,932.40
  6. Step 6: Final answer
    x = 7,529.20

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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.