Home / 8,588.48-12,873.76-3,661.28

Finding the Fourth Proportional to 8,588.48, 12,873.76 and 3,661.28

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Solution

The fourth proportional to 8,588.48, 12,873.76 and 3,661.28 is: 5,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.48 : 12,873.76 = 3,661.28 : x
  2. Step 2: Convert to fraction form
    8,588.48/12,873.76 = 3,661.28/x
  3. Step 3: Cross multiply
    8,588.48x = 12,873.76 × 3,661.28
  4. Step 4: Simplify right side
    8,588.48x = 47,134,440.01
  5. Step 5: Solve for x
    x = 47,134,440.01/8,588.48
  6. Step 6: Final answer
    x = 5,488.10

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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.