Home / 10,758.08-16,138.20-4,917.44

Finding the Fourth Proportional to 10,758.08, 16,138.20 and 4,917.44

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Solution

The fourth proportional to 10,758.08, 16,138.20 and 4,917.44 is: 7,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.08 : 16,138.20 = 4,917.44 : x
  2. Step 2: Convert to fraction form
    10,758.08/16,138.20 = 4,917.44/x
  3. Step 3: Cross multiply
    10,758.08x = 16,138.20 × 4,917.44
  4. Step 4: Simplify right side
    10,758.08x = 79,358,630.21
  5. Step 5: Solve for x
    x = 79,358,630.21/10,758.08
  6. Step 6: Final answer
    x = 7,376.65

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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.