Home / 10,631.47-15,947.36-3,705.97

Finding the Fourth Proportional to 10,631.47, 15,947.36 and 3,705.97

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Solution

The fourth proportional to 10,631.47, 15,947.36 and 3,705.97 is: 5,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.47 : 15,947.36 = 3,705.97 : x
  2. Step 2: Convert to fraction form
    10,631.47/15,947.36 = 3,705.97/x
  3. Step 3: Cross multiply
    10,631.47x = 15,947.36 × 3,705.97
  4. Step 4: Simplify right side
    10,631.47x = 59,100,437.74
  5. Step 5: Solve for x
    x = 59,100,437.74/10,631.47
  6. Step 6: Final answer
    x = 5,559.01

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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.