Home / 10,278.73-14,174.90-7,086.93

Finding the Fourth Proportional to 10,278.73, 14,174.90 and 7,086.93

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Solution

The fourth proportional to 10,278.73, 14,174.90 and 7,086.93 is: 9,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.73 : 14,174.90 = 7,086.93 : x
  2. Step 2: Convert to fraction form
    10,278.73/14,174.90 = 7,086.93/x
  3. Step 3: Cross multiply
    10,278.73x = 14,174.90 × 7,086.93
  4. Step 4: Simplify right side
    10,278.73x = 100,456,462.04
  5. Step 5: Solve for x
    x = 100,456,462.04/10,278.73
  6. Step 6: Final answer
    x = 9,773.24

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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.