Home / 10,333.19-15,499.85-3,407.69

Finding the Fourth Proportional to 10,333.19, 15,499.85 and 3,407.69

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Solution

The fourth proportional to 10,333.19, 15,499.85 and 3,407.69 is: 5,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.19 : 15,499.85 = 3,407.69 : x
  2. Step 2: Convert to fraction form
    10,333.19/15,499.85 = 3,407.69/x
  3. Step 3: Cross multiply
    10,333.19x = 15,499.85 × 3,407.69
  4. Step 4: Simplify right side
    10,333.19x = 52,818,589.31
  5. Step 5: Solve for x
    x = 52,818,589.31/10,333.19
  6. Step 6: Final answer
    x = 5,111.55

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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.