Home / 10,926.66-16,390.08-5,087.46

Finding the Fourth Proportional to 10,926.66, 16,390.08 and 5,087.46

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Solution

The fourth proportional to 10,926.66, 16,390.08 and 5,087.46 is: 7,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.66 : 16,390.08 = 5,087.46 : x
  2. Step 2: Convert to fraction form
    10,926.66/16,390.08 = 5,087.46/x
  3. Step 3: Cross multiply
    10,926.66x = 16,390.08 × 5,087.46
  4. Step 4: Simplify right side
    10,926.66x = 83,383,876.40
  5. Step 5: Solve for x
    x = 83,383,876.40/10,926.66
  6. Step 6: Final answer
    x = 7,631.23

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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.