Home / 7,127.34-10,691.24-2,967.49

Finding the Fourth Proportional to 7,127.34, 10,691.24 and 2,967.49

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Solution

The fourth proportional to 7,127.34, 10,691.24 and 2,967.49 is: 4,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.34 : 10,691.24 = 2,967.49 : x
  2. Step 2: Convert to fraction form
    7,127.34/10,691.24 = 2,967.49/x
  3. Step 3: Cross multiply
    7,127.34x = 10,691.24 × 2,967.49
  4. Step 4: Simplify right side
    7,127.34x = 31,726,102.87
  5. Step 5: Solve for x
    x = 31,726,102.87/7,127.34
  6. Step 6: Final answer
    x = 4,451.32

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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.