Home / 10,669.12-16,010.80-3,743.62

Finding the Fourth Proportional to 10,669.12, 16,010.80 and 3,743.62

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Solution

The fourth proportional to 10,669.12, 16,010.80 and 3,743.62 is: 5,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.12 : 16,010.80 = 3,743.62 : x
  2. Step 2: Convert to fraction form
    10,669.12/16,010.80 = 3,743.62/x
  3. Step 3: Cross multiply
    10,669.12x = 16,010.80 × 3,743.62
  4. Step 4: Simplify right side
    10,669.12x = 59,938,301.71
  5. Step 5: Solve for x
    x = 59,938,301.71/10,669.12
  6. Step 6: Final answer
    x = 5,617.92

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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.