Home / 10,892.40-16,344.01-4,318.44

Finding the Fourth Proportional to 10,892.40, 16,344.01 and 4,318.44

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Solution

The fourth proportional to 10,892.40, 16,344.01 and 4,318.44 is: 6,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.40 : 16,344.01 = 4,318.44 : x
  2. Step 2: Convert to fraction form
    10,892.40/16,344.01 = 4,318.44/x
  3. Step 3: Cross multiply
    10,892.40x = 16,344.01 × 4,318.44
  4. Step 4: Simplify right side
    10,892.40x = 70,580,604.95
  5. Step 5: Solve for x
    x = 70,580,604.95/10,892.40
  6. Step 6: Final answer
    x = 6,479.80

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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.