Home / 9,013.84-13,520.74-2,440.20

Finding the Fourth Proportional to 9,013.84, 13,520.74 and 2,440.20

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Solution

The fourth proportional to 9,013.84, 13,520.74 and 2,440.20 is: 3,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.84 : 13,520.74 = 2,440.20 : x
  2. Step 2: Convert to fraction form
    9,013.84/13,520.74 = 2,440.20/x
  3. Step 3: Cross multiply
    9,013.84x = 13,520.74 × 2,440.20
  4. Step 4: Simplify right side
    9,013.84x = 32,993,309.75
  5. Step 5: Solve for x
    x = 32,993,309.75/9,013.84
  6. Step 6: Final answer
    x = 3,660.29

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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.