Home / 10,949.53-15,110.35-5,913.75

Finding the Fourth Proportional to 10,949.53, 15,110.35 and 5,913.75

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Solution

The fourth proportional to 10,949.53, 15,110.35 and 5,913.75 is: 8,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.53 : 15,110.35 = 5,913.75 : x
  2. Step 2: Convert to fraction form
    10,949.53/15,110.35 = 5,913.75/x
  3. Step 3: Cross multiply
    10,949.53x = 15,110.35 × 5,913.75
  4. Step 4: Simplify right side
    10,949.53x = 89,358,789.20
  5. Step 5: Solve for x
    x = 89,358,789.20/10,949.53
  6. Step 6: Final answer
    x = 8,160.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.