Home / 10,132.38-15,188.18-4,859.69

Finding the Fourth Proportional to 10,132.38, 15,188.18 and 4,859.69

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Solution

The fourth proportional to 10,132.38, 15,188.18 and 4,859.69 is: 7,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.38 : 15,188.18 = 4,859.69 : x
  2. Step 2: Convert to fraction form
    10,132.38/15,188.18 = 4,859.69/x
  3. Step 3: Cross multiply
    10,132.38x = 15,188.18 × 4,859.69
  4. Step 4: Simplify right side
    10,132.38x = 73,809,746.22
  5. Step 5: Solve for x
    x = 73,809,746.22/10,132.38
  6. Step 6: Final answer
    x = 7,284.54

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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.