Home / 11,537.27-15,930.34-9,015.02

Finding the Fourth Proportional to 11,537.27, 15,930.34 and 9,015.02

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Solution

The fourth proportional to 11,537.27, 15,930.34 and 9,015.02 is: 12,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.27 : 15,930.34 = 9,015.02 : x
  2. Step 2: Convert to fraction form
    11,537.27/15,930.34 = 9,015.02/x
  3. Step 3: Cross multiply
    11,537.27x = 15,930.34 × 9,015.02
  4. Step 4: Simplify right side
    11,537.27x = 143,612,231.52
  5. Step 5: Solve for x
    x = 143,612,231.52/11,537.27
  6. Step 6: Final answer
    x = 12,447.68

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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.