Home / 8,588.43-12,887.52-3,657.56

Finding the Fourth Proportional to 8,588.43, 12,887.52 and 3,657.56

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Solution

The fourth proportional to 8,588.43, 12,887.52 and 3,657.56 is: 5,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.43 : 12,887.52 = 3,657.56 : x
  2. Step 2: Convert to fraction form
    8,588.43/12,887.52 = 3,657.56/x
  3. Step 3: Cross multiply
    8,588.43x = 12,887.52 × 3,657.56
  4. Step 4: Simplify right side
    8,588.43x = 47,136,794.93
  5. Step 5: Solve for x
    x = 47,136,794.93/8,588.43
  6. Step 6: Final answer
    x = 5,488.41

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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.