Home / 8,327.07-12,492.36-3,132.81

Finding the Fourth Proportional to 8,327.07, 12,492.36 and 3,132.81

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Solution

The fourth proportional to 8,327.07, 12,492.36 and 3,132.81 is: 4,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.07 : 12,492.36 = 3,132.81 : x
  2. Step 2: Convert to fraction form
    8,327.07/12,492.36 = 3,132.81/x
  3. Step 3: Cross multiply
    8,327.07x = 12,492.36 × 3,132.81
  4. Step 4: Simplify right side
    8,327.07x = 39,136,190.33
  5. Step 5: Solve for x
    x = 39,136,190.33/8,327.07
  6. Step 6: Final answer
    x = 4,699.88

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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.