Home / 10,269.12-15,403.68-3,695.16

Finding the Fourth Proportional to 10,269.12, 15,403.68 and 3,695.16

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Solution

The fourth proportional to 10,269.12, 15,403.68 and 3,695.16 is: 5,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.12 : 15,403.68 = 3,695.16 : x
  2. Step 2: Convert to fraction form
    10,269.12/15,403.68 = 3,695.16/x
  3. Step 3: Cross multiply
    10,269.12x = 15,403.68 × 3,695.16
  4. Step 4: Simplify right side
    10,269.12x = 56,919,062.19
  5. Step 5: Solve for x
    x = 56,919,062.19/10,269.12
  6. Step 6: Final answer
    x = 5,542.74

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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.