Home / 8,246.38-12,368.34-2,699.74

Finding the Fourth Proportional to 8,246.38, 12,368.34 and 2,699.74

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Solution

The fourth proportional to 8,246.38, 12,368.34 and 2,699.74 is: 4,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.38 : 12,368.34 = 2,699.74 : x
  2. Step 2: Convert to fraction form
    8,246.38/12,368.34 = 2,699.74/x
  3. Step 3: Cross multiply
    8,246.38x = 12,368.34 × 2,699.74
  4. Step 4: Simplify right side
    8,246.38x = 33,391,302.23
  5. Step 5: Solve for x
    x = 33,391,302.23/8,246.38
  6. Step 6: Final answer
    x = 4,049.21

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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.