Home / 8,089.40-12,133.28-2,542.59

Finding the Fourth Proportional to 8,089.40, 12,133.28 and 2,542.59

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Solution

The fourth proportional to 8,089.40, 12,133.28 and 2,542.59 is: 3,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.40 : 12,133.28 = 2,542.59 : x
  2. Step 2: Convert to fraction form
    8,089.40/12,133.28 = 2,542.59/x
  3. Step 3: Cross multiply
    8,089.40x = 12,133.28 × 2,542.59
  4. Step 4: Simplify right side
    8,089.40x = 30,849,962.75
  5. Step 5: Solve for x
    x = 30,849,962.75/8,089.40
  6. Step 6: Final answer
    x = 3,813.63

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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.