Home / 12,427.11-17,149.07-7,050.53

Finding the Fourth Proportional to 12,427.11, 17,149.07 and 7,050.53

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Solution

The fourth proportional to 12,427.11, 17,149.07 and 7,050.53 is: 9,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.11 : 17,149.07 = 7,050.53 : x
  2. Step 2: Convert to fraction form
    12,427.11/17,149.07 = 7,050.53/x
  3. Step 3: Cross multiply
    12,427.11x = 17,149.07 × 7,050.53
  4. Step 4: Simplify right side
    12,427.11x = 120,910,032.51
  5. Step 5: Solve for x
    x = 120,910,032.51/12,427.11
  6. Step 6: Final answer
    x = 9,729.54

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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.