Home / 8,869.58-12,239.56-5,512.33

Finding the Fourth Proportional to 8,869.58, 12,239.56 and 5,512.33

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Solution

The fourth proportional to 8,869.58, 12,239.56 and 5,512.33 is: 7,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.58 : 12,239.56 = 5,512.33 : x
  2. Step 2: Convert to fraction form
    8,869.58/12,239.56 = 5,512.33/x
  3. Step 3: Cross multiply
    8,869.58x = 12,239.56 × 5,512.33
  4. Step 4: Simplify right side
    8,869.58x = 67,468,497.04
  5. Step 5: Solve for x
    x = 67,468,497.04/8,869.58
  6. Step 6: Final answer
    x = 7,606.73

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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.