Home / 10,265.82-15,400.35-4,724.61

Finding the Fourth Proportional to 10,265.82, 15,400.35 and 4,724.61

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Solution

The fourth proportional to 10,265.82, 15,400.35 and 4,724.61 is: 7,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.82 : 15,400.35 = 4,724.61 : x
  2. Step 2: Convert to fraction form
    10,265.82/15,400.35 = 4,724.61/x
  3. Step 3: Cross multiply
    10,265.82x = 15,400.35 × 4,724.61
  4. Step 4: Simplify right side
    10,265.82x = 72,760,647.61
  5. Step 5: Solve for x
    x = 72,760,647.61/10,265.82
  6. Step 6: Final answer
    x = 7,087.66

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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.