Home / 10,132.65-15,203.37-5,447.19

Finding the Fourth Proportional to 10,132.65, 15,203.37 and 5,447.19

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Solution

The fourth proportional to 10,132.65, 15,203.37 and 5,447.19 is: 8,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.65 : 15,203.37 = 5,447.19 : x
  2. Step 2: Convert to fraction form
    10,132.65/15,203.37 = 5,447.19/x
  3. Step 3: Cross multiply
    10,132.65x = 15,203.37 × 5,447.19
  4. Step 4: Simplify right side
    10,132.65x = 82,815,645.03
  5. Step 5: Solve for x
    x = 82,815,645.03/10,132.65
  6. Step 6: Final answer
    x = 8,173.15

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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.