Home / 9,148.20-12,625.16-5,167.86

Finding the Fourth Proportional to 9,148.20, 12,625.16 and 5,167.86

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Solution

The fourth proportional to 9,148.20, 12,625.16 and 5,167.86 is: 7,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.20 : 12,625.16 = 5,167.86 : x
  2. Step 2: Convert to fraction form
    9,148.20/12,625.16 = 5,167.86/x
  3. Step 3: Cross multiply
    9,148.20x = 12,625.16 × 5,167.86
  4. Step 4: Simplify right side
    9,148.20x = 65,245,033.52
  5. Step 5: Solve for x
    x = 65,245,033.52/9,148.20
  6. Step 6: Final answer
    x = 7,132.01

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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.