Home / 8,035.20-11,992.56-7,510.32

Finding the Fourth Proportional to 8,035.20, 11,992.56 and 7,510.32

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Solution

The fourth proportional to 8,035.20, 11,992.56 and 7,510.32 is: 11,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,035.20 : 11,992.56 = 7,510.32 : x
  2. Step 2: Convert to fraction form
    8,035.20/11,992.56 = 7,510.32/x
  3. Step 3: Cross multiply
    8,035.20x = 11,992.56 × 7,510.32
  4. Step 4: Simplify right side
    8,035.20x = 90,067,963.22
  5. Step 5: Solve for x
    x = 90,067,963.22/8,035.20
  6. Step 6: Final answer
    x = 11,209.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.