Home / 9,956.28-13,739.16-5,479.92

Finding the Fourth Proportional to 9,956.28, 13,739.16 and 5,479.92

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Solution

The fourth proportional to 9,956.28, 13,739.16 and 5,479.92 is: 7,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.28 : 13,739.16 = 5,479.92 : x
  2. Step 2: Convert to fraction form
    9,956.28/13,739.16 = 5,479.92/x
  3. Step 3: Cross multiply
    9,956.28x = 13,739.16 × 5,479.92
  4. Step 4: Simplify right side
    9,956.28x = 75,289,497.67
  5. Step 5: Solve for x
    x = 75,289,497.67/9,956.28
  6. Step 6: Final answer
    x = 7,562.01

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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.