Home / 7,126.89-10,691.01-2,197.25

Finding the Fourth Proportional to 7,126.89, 10,691.01 and 2,197.25

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Solution

The fourth proportional to 7,126.89, 10,691.01 and 2,197.25 is: 3,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.89 : 10,691.01 = 2,197.25 : x
  2. Step 2: Convert to fraction form
    7,126.89/10,691.01 = 2,197.25/x
  3. Step 3: Cross multiply
    7,126.89x = 10,691.01 × 2,197.25
  4. Step 4: Simplify right side
    7,126.89x = 23,490,844.61
  5. Step 5: Solve for x
    x = 23,490,844.61/7,126.89
  6. Step 6: Final answer
    x = 3,296.09

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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.