Home / 10,718.10-16,077.15-5,469.30

Finding the Fourth Proportional to 10,718.10, 16,077.15 and 5,469.30

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Solution

The fourth proportional to 10,718.10, 16,077.15 and 5,469.30 is: 8,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.10 : 16,077.15 = 5,469.30 : x
  2. Step 2: Convert to fraction form
    10,718.10/16,077.15 = 5,469.30/x
  3. Step 3: Cross multiply
    10,718.10x = 16,077.15 × 5,469.30
  4. Step 4: Simplify right side
    10,718.10x = 87,930,756.50
  5. Step 5: Solve for x
    x = 87,930,756.50/10,718.10
  6. Step 6: Final answer
    x = 8,203.95

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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.