Home / 8,087.52-12,130.92-3,343.08

Finding the Fourth Proportional to 8,087.52, 12,130.92 and 3,343.08

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Solution

The fourth proportional to 8,087.52, 12,130.92 and 3,343.08 is: 5,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.52 : 12,130.92 = 3,343.08 : x
  2. Step 2: Convert to fraction form
    8,087.52/12,130.92 = 3,343.08/x
  3. Step 3: Cross multiply
    8,087.52x = 12,130.92 × 3,343.08
  4. Step 4: Simplify right side
    8,087.52x = 40,554,636.03
  5. Step 5: Solve for x
    x = 40,554,636.03/8,087.52
  6. Step 6: Final answer
    x = 5,014.47

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1.5x scale

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.