Home / 9,177.25-12,665.70-5,451.25

Finding the Fourth Proportional to 9,177.25, 12,665.70 and 5,451.25

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Solution

The fourth proportional to 9,177.25, 12,665.70 and 5,451.25 is: 7,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.25 : 12,665.70 = 5,451.25 : x
  2. Step 2: Convert to fraction form
    9,177.25/12,665.70 = 5,451.25/x
  3. Step 3: Cross multiply
    9,177.25x = 12,665.70 × 5,451.25
  4. Step 4: Simplify right side
    9,177.25x = 69,043,897.13
  5. Step 5: Solve for x
    x = 69,043,897.13/9,177.25
  6. Step 6: Final answer
    x = 7,523.38

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Half scale
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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.