Home / 10,747.97-16,119.54-4,515.02

Finding the Fourth Proportional to 10,747.97, 16,119.54 and 4,515.02

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Solution

The fourth proportional to 10,747.97, 16,119.54 and 4,515.02 is: 6,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.97 : 16,119.54 = 4,515.02 : x
  2. Step 2: Convert to fraction form
    10,747.97/16,119.54 = 4,515.02/x
  3. Step 3: Cross multiply
    10,747.97x = 16,119.54 × 4,515.02
  4. Step 4: Simplify right side
    10,747.97x = 72,780,045.49
  5. Step 5: Solve for x
    x = 72,780,045.49/10,747.97
  6. Step 6: Final answer
    x = 6,771.52

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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.