Home / 9,180.24-12,668.49-5,200.98

Finding the Fourth Proportional to 9,180.24, 12,668.49 and 5,200.98

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Solution

The fourth proportional to 9,180.24, 12,668.49 and 5,200.98 is: 7,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.24 : 12,668.49 = 5,200.98 : x
  2. Step 2: Convert to fraction form
    9,180.24/12,668.49 = 5,200.98/x
  3. Step 3: Cross multiply
    9,180.24x = 12,668.49 × 5,200.98
  4. Step 4: Simplify right side
    9,180.24x = 65,888,563.12
  5. Step 5: Solve for x
    x = 65,888,563.12/9,180.24
  6. Step 6: Final answer
    x = 7,177.22

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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.