Home / 10,795.20-16,188.54-5,246.90

Finding the Fourth Proportional to 10,795.20, 16,188.54 and 5,246.90

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Solution

The fourth proportional to 10,795.20, 16,188.54 and 5,246.90 is: 7,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.20 : 16,188.54 = 5,246.90 : x
  2. Step 2: Convert to fraction form
    10,795.20/16,188.54 = 5,246.90/x
  3. Step 3: Cross multiply
    10,795.20x = 16,188.54 × 5,246.90
  4. Step 4: Simplify right side
    10,795.20x = 84,939,650.53
  5. Step 5: Solve for x
    x = 84,939,650.53/10,795.20
  6. Step 6: Final answer
    x = 7,868.28

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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.