Home / 11,642.72-17,462.30-4,247.18

Finding the Fourth Proportional to 11,642.72, 17,462.30 and 4,247.18

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Solution

The fourth proportional to 11,642.72, 17,462.30 and 4,247.18 is: 6,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.72 : 17,462.30 = 4,247.18 : x
  2. Step 2: Convert to fraction form
    11,642.72/17,462.30 = 4,247.18/x
  3. Step 3: Cross multiply
    11,642.72x = 17,462.30 × 4,247.18
  4. Step 4: Simplify right side
    11,642.72x = 74,165,488.25
  5. Step 5: Solve for x
    x = 74,165,488.25/11,642.72
  6. Step 6: Final answer
    x = 6,370.12

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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.