Home / 10,720.08-14,793.03-6,245.10

Finding the Fourth Proportional to 10,720.08, 14,793.03 and 6,245.10

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Solution

The fourth proportional to 10,720.08, 14,793.03 and 6,245.10 is: 8,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.08 : 14,793.03 = 6,245.10 : x
  2. Step 2: Convert to fraction form
    10,720.08/14,793.03 = 6,245.10/x
  3. Step 3: Cross multiply
    10,720.08x = 14,793.03 × 6,245.10
  4. Step 4: Simplify right side
    10,720.08x = 92,383,951.65
  5. Step 5: Solve for x
    x = 92,383,951.65/10,720.08
  6. Step 6: Final answer
    x = 8,617.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.