Home / 10,695.12-14,757.36-5,979.44

Finding the Fourth Proportional to 10,695.12, 14,757.36 and 5,979.44

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Solution

The fourth proportional to 10,695.12, 14,757.36 and 5,979.44 is: 8,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.12 : 14,757.36 = 5,979.44 : x
  2. Step 2: Convert to fraction form
    10,695.12/14,757.36 = 5,979.44/x
  3. Step 3: Cross multiply
    10,695.12x = 14,757.36 × 5,979.44
  4. Step 4: Simplify right side
    10,695.12x = 88,240,748.68
  5. Step 5: Solve for x
    x = 88,240,748.68/10,695.12
  6. Step 6: Final answer
    x = 8,250.56

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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.