Home / 7,422.30-11,118.51-3,468.08

Finding the Fourth Proportional to 7,422.30, 11,118.51 and 3,468.08

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Solution

The fourth proportional to 7,422.30, 11,118.51 and 3,468.08 is: 5,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.30 : 11,118.51 = 3,468.08 : x
  2. Step 2: Convert to fraction form
    7,422.30/11,118.51 = 3,468.08/x
  3. Step 3: Cross multiply
    7,422.30x = 11,118.51 × 3,468.08
  4. Step 4: Simplify right side
    7,422.30x = 38,559,826.57
  5. Step 5: Solve for x
    x = 38,559,826.57/7,422.30
  6. Step 6: Final answer
    x = 5,195.13

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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.