Home / 8,193.47-12,288.98-2,998.13

Finding the Fourth Proportional to 8,193.47, 12,288.98 and 2,998.13

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Solution

The fourth proportional to 8,193.47, 12,288.98 and 2,998.13 is: 4,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.47 : 12,288.98 = 2,998.13 : x
  2. Step 2: Convert to fraction form
    8,193.47/12,288.98 = 2,998.13/x
  3. Step 3: Cross multiply
    8,193.47x = 12,288.98 × 2,998.13
  4. Step 4: Simplify right side
    8,193.47x = 36,843,905.66
  5. Step 5: Solve for x
    x = 36,843,905.66/8,193.47
  6. Step 6: Final answer
    x = 4,496.74

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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.