Home / 11,081.67-15,299.04-10,451.08

Finding the Fourth Proportional to 11,081.67, 15,299.04 and 10,451.08

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Solution

The fourth proportional to 11,081.67, 15,299.04 and 10,451.08 is: 14,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.67 : 15,299.04 = 10,451.08 : x
  2. Step 2: Convert to fraction form
    11,081.67/15,299.04 = 10,451.08/x
  3. Step 3: Cross multiply
    11,081.67x = 15,299.04 × 10,451.08
  4. Step 4: Simplify right side
    11,081.67x = 159,891,490.96
  5. Step 5: Solve for x
    x = 159,891,490.96/11,081.67
  6. Step 6: Final answer
    x = 14,428.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.