Home / 8,937.41-12,331.84-5,400.81

Finding the Fourth Proportional to 8,937.41, 12,331.84 and 5,400.81

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Solution

The fourth proportional to 8,937.41, 12,331.84 and 5,400.81 is: 7,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.41 : 12,331.84 = 5,400.81 : x
  2. Step 2: Convert to fraction form
    8,937.41/12,331.84 = 5,400.81/x
  3. Step 3: Cross multiply
    8,937.41x = 12,331.84 × 5,400.81
  4. Step 4: Simplify right side
    8,937.41x = 66,601,924.79
  5. Step 5: Solve for x
    x = 66,601,924.79/8,937.41
  6. Step 6: Final answer
    x = 7,452.04

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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.