Home / 12,483.96-17,227.26-7,177.56

Finding the Fourth Proportional to 12,483.96, 17,227.26 and 7,177.56

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Solution

The fourth proportional to 12,483.96, 17,227.26 and 7,177.56 is: 9,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.96 : 17,227.26 = 7,177.56 : x
  2. Step 2: Convert to fraction form
    12,483.96/17,227.26 = 7,177.56/x
  3. Step 3: Cross multiply
    12,483.96x = 17,227.26 × 7,177.56
  4. Step 4: Simplify right side
    12,483.96x = 123,649,692.29
  5. Step 5: Solve for x
    x = 123,649,692.29/12,483.96
  6. Step 6: Final answer
    x = 9,904.69

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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.