Home / 11,269.52-15,537.80-7,229.22

Finding the Fourth Proportional to 11,269.52, 15,537.80 and 7,229.22

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Solution

The fourth proportional to 11,269.52, 15,537.80 and 7,229.22 is: 9,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.52 : 15,537.80 = 7,229.22 : x
  2. Step 2: Convert to fraction form
    11,269.52/15,537.80 = 7,229.22/x
  3. Step 3: Cross multiply
    11,269.52x = 15,537.80 × 7,229.22
  4. Step 4: Simplify right side
    11,269.52x = 112,326,174.52
  5. Step 5: Solve for x
    x = 112,326,174.52/11,269.52
  6. Step 6: Final answer
    x = 9,967.25

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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.