Home / 8,912.72-13,368.30-2,674.12

Finding the Fourth Proportional to 8,912.72, 13,368.30 and 2,674.12

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Solution

The fourth proportional to 8,912.72, 13,368.30 and 2,674.12 is: 4,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.72 : 13,368.30 = 2,674.12 : x
  2. Step 2: Convert to fraction form
    8,912.72/13,368.30 = 2,674.12/x
  3. Step 3: Cross multiply
    8,912.72x = 13,368.30 × 2,674.12
  4. Step 4: Simplify right side
    8,912.72x = 35,748,438.40
  5. Step 5: Solve for x
    x = 35,748,438.40/8,912.72
  6. Step 6: Final answer
    x = 4,010.95

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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.