Home / 8,937.32-12,331.68-5,751.16

Finding the Fourth Proportional to 8,937.32, 12,331.68 and 5,751.16

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Solution

The fourth proportional to 8,937.32, 12,331.68 and 5,751.16 is: 7,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.32 : 12,331.68 = 5,751.16 : x
  2. Step 2: Convert to fraction form
    8,937.32/12,331.68 = 5,751.16/x
  3. Step 3: Cross multiply
    8,937.32x = 12,331.68 × 5,751.16
  4. Step 4: Simplify right side
    8,937.32x = 70,921,464.75
  5. Step 5: Solve for x
    x = 70,921,464.75/8,937.32
  6. Step 6: Final answer
    x = 7,935.43

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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.