Home / 12,220.56-18,332.71-6,301.08

Finding the Fourth Proportional to 12,220.56, 18,332.71 and 6,301.08

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Solution

The fourth proportional to 12,220.56, 18,332.71 and 6,301.08 is: 9,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220.56 : 18,332.71 = 6,301.08 : x
  2. Step 2: Convert to fraction form
    12,220.56/18,332.71 = 6,301.08/x
  3. Step 3: Cross multiply
    12,220.56x = 18,332.71 × 6,301.08
  4. Step 4: Simplify right side
    12,220.56x = 115,515,872.33
  5. Step 5: Solve for x
    x = 115,515,872.33/12,220.56
  6. Step 6: Final answer
    x = 9,452.58

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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.