Home / 11,518.19-17,279.52-4,497.92

Finding the Fourth Proportional to 11,518.19, 17,279.52 and 4,497.92

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Solution

The fourth proportional to 11,518.19, 17,279.52 and 4,497.92 is: 6,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.19 : 17,279.52 = 4,497.92 : x
  2. Step 2: Convert to fraction form
    11,518.19/17,279.52 = 4,497.92/x
  3. Step 3: Cross multiply
    11,518.19x = 17,279.52 × 4,497.92
  4. Step 4: Simplify right side
    11,518.19x = 77,721,898.60
  5. Step 5: Solve for x
    x = 77,721,898.60/11,518.19
  6. Step 6: Final answer
    x = 6,747.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.