Home / 10,892.45-16,339.28-3,100.65

Finding the Fourth Proportional to 10,892.45, 16,339.28 and 3,100.65

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Solution

The fourth proportional to 10,892.45, 16,339.28 and 3,100.65 is: 4,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.45 : 16,339.28 = 3,100.65 : x
  2. Step 2: Convert to fraction form
    10,892.45/16,339.28 = 3,100.65/x
  3. Step 3: Cross multiply
    10,892.45x = 16,339.28 × 3,100.65
  4. Step 4: Simplify right side
    10,892.45x = 50,662,373.03
  5. Step 5: Solve for x
    x = 50,662,373.03/10,892.45
  6. Step 6: Final answer
    x = 4,651.15

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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.