Home / 11,967.58-17,951.38-5,386.08

Finding the Fourth Proportional to 11,967.58, 17,951.38 and 5,386.08

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Solution

The fourth proportional to 11,967.58, 17,951.38 and 5,386.08 is: 8,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.58 : 17,951.38 = 5,386.08 : x
  2. Step 2: Convert to fraction form
    11,967.58/17,951.38 = 5,386.08/x
  3. Step 3: Cross multiply
    11,967.58x = 17,951.38 × 5,386.08
  4. Step 4: Simplify right side
    11,967.58x = 96,687,568.79
  5. Step 5: Solve for x
    x = 96,687,568.79/11,967.58
  6. Step 6: Final answer
    x = 8,079.12

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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.