Home / 9,180.36-12,668.56-5,201.58

Finding the Fourth Proportional to 9,180.36, 12,668.56 and 5,201.58

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Solution

The fourth proportional to 9,180.36, 12,668.56 and 5,201.58 is: 7,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.36 : 12,668.56 = 5,201.58 : x
  2. Step 2: Convert to fraction form
    9,180.36/12,668.56 = 5,201.58/x
  3. Step 3: Cross multiply
    9,180.36x = 12,668.56 × 5,201.58
  4. Step 4: Simplify right side
    9,180.36x = 65,896,528.32
  5. Step 5: Solve for x
    x = 65,896,528.32/9,180.36
  6. Step 6: Final answer
    x = 7,177.99

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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.