Home / 10,311.60-15,469.16-4,068.35

Finding the Fourth Proportional to 10,311.60, 15,469.16 and 4,068.35

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Solution

The fourth proportional to 10,311.60, 15,469.16 and 4,068.35 is: 6,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.60 : 15,469.16 = 4,068.35 : x
  2. Step 2: Convert to fraction form
    10,311.60/15,469.16 = 4,068.35/x
  3. Step 3: Cross multiply
    10,311.60x = 15,469.16 × 4,068.35
  4. Step 4: Simplify right side
    10,311.60x = 62,933,859.40
  5. Step 5: Solve for x
    x = 62,933,859.40/10,311.60
  6. Step 6: Final answer
    x = 6,103.21

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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.