Home / 9,917.98-13,687.19-5,441.92

Finding the Fourth Proportional to 9,917.98, 13,687.19 and 5,441.92

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Solution

The fourth proportional to 9,917.98, 13,687.19 and 5,441.92 is: 7,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.98 : 13,687.19 = 5,441.92 : x
  2. Step 2: Convert to fraction form
    9,917.98/13,687.19 = 5,441.92/x
  3. Step 3: Cross multiply
    9,917.98x = 13,687.19 × 5,441.92
  4. Step 4: Simplify right side
    9,917.98x = 74,484,593.00
  5. Step 5: Solve for x
    x = 74,484,593.00/9,917.98
  6. Step 6: Final answer
    x = 7,510.06

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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.