Home / 8,937.22-12,331.58-5,400.44

Finding the Fourth Proportional to 8,937.22, 12,331.58 and 5,400.44

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Solution

The fourth proportional to 8,937.22, 12,331.58 and 5,400.44 is: 7,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.22 : 12,331.58 = 5,400.44 : x
  2. Step 2: Convert to fraction form
    8,937.22/12,331.58 = 5,400.44/x
  3. Step 3: Cross multiply
    8,937.22x = 12,331.58 × 5,400.44
  4. Step 4: Simplify right side
    8,937.22x = 66,595,957.90
  5. Step 5: Solve for x
    x = 66,595,957.90/8,937.22
  6. Step 6: Final answer
    x = 7,451.53

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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.