Home / 10,132.42-13,977.89-6,353.69

Finding the Fourth Proportional to 10,132.42, 13,977.89 and 6,353.69

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Solution

The fourth proportional to 10,132.42, 13,977.89 and 6,353.69 is: 8,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.42 : 13,977.89 = 6,353.69 : x
  2. Step 2: Convert to fraction form
    10,132.42/13,977.89 = 6,353.69/x
  3. Step 3: Cross multiply
    10,132.42x = 13,977.89 × 6,353.69
  4. Step 4: Simplify right side
    10,132.42x = 88,811,198.58
  5. Step 5: Solve for x
    x = 88,811,198.58/10,132.42
  6. Step 6: Final answer
    x = 8,765.06

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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.