Home / 9,331.12-12,876.18-5,927.86

Finding the Fourth Proportional to 9,331.12, 12,876.18 and 5,927.86

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Solution

The fourth proportional to 9,331.12, 12,876.18 and 5,927.86 is: 8,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.12 : 12,876.18 = 5,927.86 : x
  2. Step 2: Convert to fraction form
    9,331.12/12,876.18 = 5,927.86/x
  3. Step 3: Cross multiply
    9,331.12x = 12,876.18 × 5,927.86
  4. Step 4: Simplify right side
    9,331.12x = 76,328,192.37
  5. Step 5: Solve for x
    x = 76,328,192.37/9,331.12
  6. Step 6: Final answer
    x = 8,179.96

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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.