Home / 9,180.15-12,668.36-5,201.16

Finding the Fourth Proportional to 9,180.15, 12,668.36 and 5,201.16

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Solution

The fourth proportional to 9,180.15, 12,668.36 and 5,201.16 is: 7,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.15 : 12,668.36 = 5,201.16 : x
  2. Step 2: Convert to fraction form
    9,180.15/12,668.36 = 5,201.16/x
  3. Step 3: Cross multiply
    9,180.15x = 12,668.36 × 5,201.16
  4. Step 4: Simplify right side
    9,180.15x = 65,890,167.30
  5. Step 5: Solve for x
    x = 65,890,167.30/9,180.15
  6. Step 6: Final answer
    x = 7,177.46

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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.