Home / 10,278.04-14,176.97-7,257.59

Finding the Fourth Proportional to 10,278.04, 14,176.97 and 7,257.59

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Solution

The fourth proportional to 10,278.04, 14,176.97 and 7,257.59 is: 10,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.04 : 14,176.97 = 7,257.59 : x
  2. Step 2: Convert to fraction form
    10,278.04/14,176.97 = 7,257.59/x
  3. Step 3: Cross multiply
    10,278.04x = 14,176.97 × 7,257.59
  4. Step 4: Simplify right side
    10,278.04x = 102,890,635.70
  5. Step 5: Solve for x
    x = 102,890,635.70/10,278.04
  6. Step 6: Final answer
    x = 10,010.73

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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.