Home / 11,294.92-16,948.16-5,378.50

Finding the Fourth Proportional to 11,294.92, 16,948.16 and 5,378.50

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Solution

The fourth proportional to 11,294.92, 16,948.16 and 5,378.50 is: 8,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.92 : 16,948.16 = 5,378.50 : x
  2. Step 2: Convert to fraction form
    11,294.92/16,948.16 = 5,378.50/x
  3. Step 3: Cross multiply
    11,294.92x = 16,948.16 × 5,378.50
  4. Step 4: Simplify right side
    11,294.92x = 91,155,678.56
  5. Step 5: Solve for x
    x = 91,155,678.56/11,294.92
  6. Step 6: Final answer
    x = 8,070.50

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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.