Home / 8,207.10-12,298.05-6,117.30

Finding the Fourth Proportional to 8,207.10, 12,298.05 and 6,117.30

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Solution

The fourth proportional to 8,207.10, 12,298.05 and 6,117.30 is: 9,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.10 : 12,298.05 = 6,117.30 : x
  2. Step 2: Convert to fraction form
    8,207.10/12,298.05 = 6,117.30/x
  3. Step 3: Cross multiply
    8,207.10x = 12,298.05 × 6,117.30
  4. Step 4: Simplify right side
    8,207.10x = 75,230,861.27
  5. Step 5: Solve for x
    x = 75,230,861.27/8,207.10
  6. Step 6: Final answer
    x = 9,166.56

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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.