Home / 11,299.61-16,943.21-8,974.51

Finding the Fourth Proportional to 11,299.61, 16,943.21 and 8,974.51

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Solution

The fourth proportional to 11,299.61, 16,943.21 and 8,974.51 is: 13,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.61 : 16,943.21 = 8,974.51 : x
  2. Step 2: Convert to fraction form
    11,299.61/16,943.21 = 8,974.51/x
  3. Step 3: Cross multiply
    11,299.61x = 16,943.21 × 8,974.51
  4. Step 4: Simplify right side
    11,299.61x = 152,056,877.99
  5. Step 5: Solve for x
    x = 152,056,877.99/11,299.61
  6. Step 6: Final answer
    x = 13,456.83

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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.