Home / 10,363.80-15,537.19-4,121.13

Finding the Fourth Proportional to 10,363.80, 15,537.19 and 4,121.13

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Solution

The fourth proportional to 10,363.80, 15,537.19 and 4,121.13 is: 6,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.80 : 15,537.19 = 4,121.13 : x
  2. Step 2: Convert to fraction form
    10,363.80/15,537.19 = 4,121.13/x
  3. Step 3: Cross multiply
    10,363.80x = 15,537.19 × 4,121.13
  4. Step 4: Simplify right side
    10,363.80x = 64,030,779.82
  5. Step 5: Solve for x
    x = 64,030,779.82/10,363.80
  6. Step 6: Final answer
    x = 6,178.31

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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.