Home / 10,631.61-15,947.55-3,706.11

Finding the Fourth Proportional to 10,631.61, 15,947.55 and 3,706.11

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Solution

The fourth proportional to 10,631.61, 15,947.55 and 3,706.11 is: 5,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.61 : 15,947.55 = 3,706.11 : x
  2. Step 2: Convert to fraction form
    10,631.61/15,947.55 = 3,706.11/x
  3. Step 3: Cross multiply
    10,631.61x = 15,947.55 × 3,706.11
  4. Step 4: Simplify right side
    10,631.61x = 59,103,374.53
  5. Step 5: Solve for x
    x = 59,103,374.53/10,631.61
  6. Step 6: Final answer
    x = 5,559.21

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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.