Home / 8,791.20-12,132.58-5,014.52

Finding the Fourth Proportional to 8,791.20, 12,132.58 and 5,014.52

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Solution

The fourth proportional to 8,791.20, 12,132.58 and 5,014.52 is: 6,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.20 : 12,132.58 = 5,014.52 : x
  2. Step 2: Convert to fraction form
    8,791.20/12,132.58 = 5,014.52/x
  3. Step 3: Cross multiply
    8,791.20x = 12,132.58 × 5,014.52
  4. Step 4: Simplify right side
    8,791.20x = 60,839,065.06
  5. Step 5: Solve for x
    x = 60,839,065.06/8,791.20
  6. Step 6: Final answer
    x = 6,920.45

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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.