Home / 9,331.20-12,872.52-5,971.32

Finding the Fourth Proportional to 9,331.20, 12,872.52 and 5,971.32

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Solution

The fourth proportional to 9,331.20, 12,872.52 and 5,971.32 is: 8,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.20 : 12,872.52 = 5,971.32 : x
  2. Step 2: Convert to fraction form
    9,331.20/12,872.52 = 5,971.32/x
  3. Step 3: Cross multiply
    9,331.20x = 12,872.52 × 5,971.32
  4. Step 4: Simplify right side
    9,331.20x = 76,865,936.13
  5. Step 5: Solve for x
    x = 76,865,936.13/9,331.20
  6. Step 6: Final answer
    x = 8,237.52

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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.