Home / 11,659.12-17,488.56-6,980.44

Finding the Fourth Proportional to 11,659.12, 17,488.56 and 6,980.44

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Solution

The fourth proportional to 11,659.12, 17,488.56 and 6,980.44 is: 10,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.12 : 17,488.56 = 6,980.44 : x
  2. Step 2: Convert to fraction form
    11,659.12/17,488.56 = 6,980.44/x
  3. Step 3: Cross multiply
    11,659.12x = 17,488.56 × 6,980.44
  4. Step 4: Simplify right side
    11,659.12x = 122,077,843.77
  5. Step 5: Solve for x
    x = 122,077,843.77/11,659.12
  6. Step 6: Final answer
    x = 10,470.59

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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.