Home / 8,087.04-12,132.84-7,315.92

Finding the Fourth Proportional to 8,087.04, 12,132.84 and 7,315.92

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Solution

The fourth proportional to 8,087.04, 12,132.84 and 7,315.92 is: 10,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.04 : 12,132.84 = 7,315.92 : x
  2. Step 2: Convert to fraction form
    8,087.04/12,132.84 = 7,315.92/x
  3. Step 3: Cross multiply
    8,087.04x = 12,132.84 × 7,315.92
  4. Step 4: Simplify right side
    8,087.04x = 88,762,886.81
  5. Step 5: Solve for x
    x = 88,762,886.81/8,087.04
  6. Step 6: Final answer
    x = 10,975.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.