Home / 7,497.20-11,185.17-6,749.90

Finding the Fourth Proportional to 7,497.20, 11,185.17 and 6,749.90

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Solution

The fourth proportional to 7,497.20, 11,185.17 and 6,749.90 is: 10,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 11,185.17 = 6,749.90 : x
  2. Step 2: Convert to fraction form
    7,497.20/11,185.17 = 6,749.90/x
  3. Step 3: Cross multiply
    7,497.20x = 11,185.17 × 6,749.90
  4. Step 4: Simplify right side
    7,497.20x = 75,498,832.26
  5. Step 5: Solve for x
    x = 75,498,832.26/7,497.20
  6. Step 6: Final answer
    x = 10,070.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.