Home / 10,272.16-15,409.14-2,876.68

Finding the Fourth Proportional to 10,272.16, 15,409.14 and 2,876.68

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Solution

The fourth proportional to 10,272.16, 15,409.14 and 2,876.68 is: 4,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.16 : 15,409.14 = 2,876.68 : x
  2. Step 2: Convert to fraction form
    10,272.16/15,409.14 = 2,876.68/x
  3. Step 3: Cross multiply
    10,272.16x = 15,409.14 × 2,876.68
  4. Step 4: Simplify right side
    10,272.16x = 44,327,164.86
  5. Step 5: Solve for x
    x = 44,327,164.86/10,272.16
  6. Step 6: Final answer
    x = 4,315.27

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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.