Home / 8,081.53-12,122.31-2,535.02

Finding the Fourth Proportional to 8,081.53, 12,122.31 and 2,535.02

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Solution

The fourth proportional to 8,081.53, 12,122.31 and 2,535.02 is: 3,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.53 : 12,122.31 = 2,535.02 : x
  2. Step 2: Convert to fraction form
    8,081.53/12,122.31 = 2,535.02/x
  3. Step 3: Cross multiply
    8,081.53x = 12,122.31 × 2,535.02
  4. Step 4: Simplify right side
    8,081.53x = 30,730,298.30
  5. Step 5: Solve for x
    x = 30,730,298.30/8,081.53
  6. Step 6: Final answer
    x = 3,802.53

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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.