Home / 10,952.56-15,115.16-6,760.88

Finding the Fourth Proportional to 10,952.56, 15,115.16 and 6,760.88

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Solution

The fourth proportional to 10,952.56, 15,115.16 and 6,760.88 is: 9,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.56 : 15,115.16 = 6,760.88 : x
  2. Step 2: Convert to fraction form
    10,952.56/15,115.16 = 6,760.88/x
  3. Step 3: Cross multiply
    10,952.56x = 15,115.16 × 6,760.88
  4. Step 4: Simplify right side
    10,952.56x = 102,191,782.94
  5. Step 5: Solve for x
    x = 102,191,782.94/10,952.56
  6. Step 6: Final answer
    x = 9,330.40

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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.