Home / 10,366.95-15,551.25-5,104.80

Finding the Fourth Proportional to 10,366.95, 15,551.25 and 5,104.80

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Solution

The fourth proportional to 10,366.95, 15,551.25 and 5,104.80 is: 7,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.95 : 15,551.25 = 5,104.80 : x
  2. Step 2: Convert to fraction form
    10,366.95/15,551.25 = 5,104.80/x
  3. Step 3: Cross multiply
    10,366.95x = 15,551.25 × 5,104.80
  4. Step 4: Simplify right side
    10,366.95x = 79,386,021
  5. Step 5: Solve for x
    x = 79,386,021/10,366.95
  6. Step 6: Final answer
    x = 7,657.61

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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.