Home / 11,269.08-15,546.09-7,291.47

Finding the Fourth Proportional to 11,269.08, 15,546.09 and 7,291.47

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Solution

The fourth proportional to 11,269.08, 15,546.09 and 7,291.47 is: 10,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.08 : 15,546.09 = 7,291.47 : x
  2. Step 2: Convert to fraction form
    11,269.08/15,546.09 = 7,291.47/x
  3. Step 3: Cross multiply
    11,269.08x = 15,546.09 × 7,291.47
  4. Step 4: Simplify right side
    11,269.08x = 113,353,934.49
  5. Step 5: Solve for x
    x = 113,353,934.49/11,269.08
  6. Step 6: Final answer
    x = 10,058.85

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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.