Home / 7,331.24-11,001.36-6,113.72

Finding the Fourth Proportional to 7,331.24, 11,001.36 and 6,113.72

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Solution

The fourth proportional to 7,331.24, 11,001.36 and 6,113.72 is: 9,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.24 : 11,001.36 = 6,113.72 : x
  2. Step 2: Convert to fraction form
    7,331.24/11,001.36 = 6,113.72/x
  3. Step 3: Cross multiply
    7,331.24x = 11,001.36 × 6,113.72
  4. Step 4: Simplify right side
    7,331.24x = 67,259,234.66
  5. Step 5: Solve for x
    x = 67,259,234.66/7,331.24
  6. Step 6: Final answer
    x = 9,174.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.