Home / 10,161.65-15,249.16-3,587.59

Finding the Fourth Proportional to 10,161.65, 15,249.16 and 3,587.59

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Solution

The fourth proportional to 10,161.65, 15,249.16 and 3,587.59 is: 5,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.65 : 15,249.16 = 3,587.59 : x
  2. Step 2: Convert to fraction form
    10,161.65/15,249.16 = 3,587.59/x
  3. Step 3: Cross multiply
    10,161.65x = 15,249.16 × 3,587.59
  4. Step 4: Simplify right side
    10,161.65x = 54,707,757.47
  5. Step 5: Solve for x
    x = 54,707,757.47/10,161.65
  6. Step 6: Final answer
    x = 5,383.75

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1.5x scale

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.