Home / 10,601.60-15,899.96-4,759.88

Finding the Fourth Proportional to 10,601.60, 15,899.96 and 4,759.88

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Solution

The fourth proportional to 10,601.60, 15,899.96 and 4,759.88 is: 7,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.60 : 15,899.96 = 4,759.88 : x
  2. Step 2: Convert to fraction form
    10,601.60/15,899.96 = 4,759.88/x
  3. Step 3: Cross multiply
    10,601.60x = 15,899.96 × 4,759.88
  4. Step 4: Simplify right side
    10,601.60x = 75,681,834.00
  5. Step 5: Solve for x
    x = 75,681,834.00/10,601.60
  6. Step 6: Final answer
    x = 7,138.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.