Home / 10,357.75-15,539.06-3,432.25

Finding the Fourth Proportional to 10,357.75, 15,539.06 and 3,432.25

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Solution

The fourth proportional to 10,357.75, 15,539.06 and 3,432.25 is: 5,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.75 : 15,539.06 = 3,432.25 : x
  2. Step 2: Convert to fraction form
    10,357.75/15,539.06 = 3,432.25/x
  3. Step 3: Cross multiply
    10,357.75x = 15,539.06 × 3,432.25
  4. Step 4: Simplify right side
    10,357.75x = 53,333,938.69
  5. Step 5: Solve for x
    x = 53,333,938.69/10,357.75
  6. Step 6: Final answer
    x = 5,149.18

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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.