Home / 8,278.97-11,424.92-4,502.14

Finding the Fourth Proportional to 8,278.97, 11,424.92 and 4,502.14

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Solution

The fourth proportional to 8,278.97, 11,424.92 and 4,502.14 is: 6,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.97 : 11,424.92 = 4,502.14 : x
  2. Step 2: Convert to fraction form
    8,278.97/11,424.92 = 4,502.14/x
  3. Step 3: Cross multiply
    8,278.97x = 11,424.92 × 4,502.14
  4. Step 4: Simplify right side
    8,278.97x = 51,436,566.82
  5. Step 5: Solve for x
    x = 51,436,566.82/8,278.97
  6. Step 6: Final answer
    x = 6,212.92

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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.