Home / 9,180.28-12,668.07-5,202.02

Finding the Fourth Proportional to 9,180.28, 12,668.07 and 5,202.02

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Solution

The fourth proportional to 9,180.28, 12,668.07 and 5,202.02 is: 7,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.28 : 12,668.07 = 5,202.02 : x
  2. Step 2: Convert to fraction form
    9,180.28/12,668.07 = 5,202.02/x
  3. Step 3: Cross multiply
    9,180.28x = 12,668.07 × 5,202.02
  4. Step 4: Simplify right side
    9,180.28x = 65,899,490.16
  5. Step 5: Solve for x
    x = 65,899,490.16/9,180.28
  6. Step 6: Final answer
    x = 7,178.37

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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.