Home / 12,350.88-18,520.65-5,327.53

Finding the Fourth Proportional to 12,350.88, 18,520.65 and 5,327.53

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Solution

The fourth proportional to 12,350.88, 18,520.65 and 5,327.53 is: 7,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.88 : 18,520.65 = 5,327.53 : x
  2. Step 2: Convert to fraction form
    12,350.88/18,520.65 = 5,327.53/x
  3. Step 3: Cross multiply
    12,350.88x = 18,520.65 × 5,327.53
  4. Step 4: Simplify right side
    12,350.88x = 98,669,272.19
  5. Step 5: Solve for x
    x = 98,669,272.19/12,350.88
  6. Step 6: Final answer
    x = 7,988.85

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1.5x scale

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.