Home / 10,295.91-15,439.01-4,747.61

Finding the Fourth Proportional to 10,295.91, 15,439.01 and 4,747.61

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Solution

The fourth proportional to 10,295.91, 15,439.01 and 4,747.61 is: 7,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.91 : 15,439.01 = 4,747.61 : x
  2. Step 2: Convert to fraction form
    10,295.91/15,439.01 = 4,747.61/x
  3. Step 3: Cross multiply
    10,295.91x = 15,439.01 × 4,747.61
  4. Step 4: Simplify right side
    10,295.91x = 73,298,413.13
  5. Step 5: Solve for x
    x = 73,298,413.13/10,295.91
  6. Step 6: Final answer
    x = 7,119.18

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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.