Home / 6,312.19-9,469.11-2,151.08

Finding the Fourth Proportional to 6,312.19, 9,469.11 and 2,151.08

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Solution

The fourth proportional to 6,312.19, 9,469.11 and 2,151.08 is: 3,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.19 : 9,469.11 = 2,151.08 : x
  2. Step 2: Convert to fraction form
    6,312.19/9,469.11 = 2,151.08/x
  3. Step 3: Cross multiply
    6,312.19x = 9,469.11 × 2,151.08
  4. Step 4: Simplify right side
    6,312.19x = 20,368,813.14
  5. Step 5: Solve for x
    x = 20,368,813.14/6,312.19
  6. Step 6: Final answer
    x = 3,226.90

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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.