Home / 8,199.39-12,301.82-2,653.52

Finding the Fourth Proportional to 8,199.39, 12,301.82 and 2,653.52

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Solution

The fourth proportional to 8,199.39, 12,301.82 and 2,653.52 is: 3,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.39 : 12,301.82 = 2,653.52 : x
  2. Step 2: Convert to fraction form
    8,199.39/12,301.82 = 2,653.52/x
  3. Step 3: Cross multiply
    8,199.39x = 12,301.82 × 2,653.52
  4. Step 4: Simplify right side
    8,199.39x = 32,643,125.41
  5. Step 5: Solve for x
    x = 32,643,125.41/8,199.39
  6. Step 6: Final answer
    x = 3,981.17

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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.