Home / 12,207.18-18,317.46-5,634.06

Finding the Fourth Proportional to 12,207.18, 18,317.46 and 5,634.06

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Solution

The fourth proportional to 12,207.18, 18,317.46 and 5,634.06 is: 8,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.18 : 18,317.46 = 5,634.06 : x
  2. Step 2: Convert to fraction form
    12,207.18/18,317.46 = 5,634.06/x
  3. Step 3: Cross multiply
    12,207.18x = 18,317.46 × 5,634.06
  4. Step 4: Simplify right side
    12,207.18x = 103,201,668.69
  5. Step 5: Solve for x
    x = 103,201,668.69/12,207.18
  6. Step 6: Final answer
    x = 8,454.18

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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.