Home / 10,183.52-15,275.29-2,788.04

Finding the Fourth Proportional to 10,183.52, 15,275.29 and 2,788.04

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Solution

The fourth proportional to 10,183.52, 15,275.29 and 2,788.04 is: 4,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.52 : 15,275.29 = 2,788.04 : x
  2. Step 2: Convert to fraction form
    10,183.52/15,275.29 = 2,788.04/x
  3. Step 3: Cross multiply
    10,183.52x = 15,275.29 × 2,788.04
  4. Step 4: Simplify right side
    10,183.52x = 42,588,105.59
  5. Step 5: Solve for x
    x = 42,588,105.59/10,183.52
  6. Step 6: Final answer
    x = 4,182.06

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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.