Home / 8,718.72-12,033-5,584.02

Finding the Fourth Proportional to 8,718.72, 12,033 and 5,584.02

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Solution

The fourth proportional to 8,718.72, 12,033 and 5,584.02 is: 7,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.72 : 12,033 = 5,584.02 : x
  2. Step 2: Convert to fraction form
    8,718.72/12,033 = 5,584.02/x
  3. Step 3: Cross multiply
    8,718.72x = 12,033 × 5,584.02
  4. Step 4: Simplify right side
    8,718.72x = 67,192,512.66
  5. Step 5: Solve for x
    x = 67,192,512.66/8,718.72
  6. Step 6: Final answer
    x = 7,706.69

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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.