Home / 10,960.08-16,445.52-5,115.84

Finding the Fourth Proportional to 10,960.08, 16,445.52 and 5,115.84

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Solution

The fourth proportional to 10,960.08, 16,445.52 and 5,115.84 is: 7,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.08 : 16,445.52 = 5,115.84 : x
  2. Step 2: Convert to fraction form
    10,960.08/16,445.52 = 5,115.84/x
  3. Step 3: Cross multiply
    10,960.08x = 16,445.52 × 5,115.84
  4. Step 4: Simplify right side
    10,960.08x = 84,132,649.04
  5. Step 5: Solve for x
    x = 84,132,649.04/10,960.08
  6. Step 6: Final answer
    x = 7,676.28

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1.5x scale

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.