Home / 12,527.55-18,791.31-5,132.02

Finding the Fourth Proportional to 12,527.55, 18,791.31 and 5,132.02

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Solution

The fourth proportional to 12,527.55, 18,791.31 and 5,132.02 is: 7,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.55 : 18,791.31 = 5,132.02 : x
  2. Step 2: Convert to fraction form
    12,527.55/18,791.31 = 5,132.02/x
  3. Step 3: Cross multiply
    12,527.55x = 18,791.31 × 5,132.02
  4. Step 4: Simplify right side
    12,527.55x = 96,437,378.75
  5. Step 5: Solve for x
    x = 96,437,378.75/12,527.55
  6. Step 6: Final answer
    x = 7,698.02

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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.