Home / 8,983.12-13,474.69-3,438.17

Finding the Fourth Proportional to 8,983.12, 13,474.69 and 3,438.17

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Solution

The fourth proportional to 8,983.12, 13,474.69 and 3,438.17 is: 5,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.12 : 13,474.69 = 3,438.17 : x
  2. Step 2: Convert to fraction form
    8,983.12/13,474.69 = 3,438.17/x
  3. Step 3: Cross multiply
    8,983.12x = 13,474.69 × 3,438.17
  4. Step 4: Simplify right side
    8,983.12x = 46,328,274.92
  5. Step 5: Solve for x
    x = 46,328,274.92/8,983.12
  6. Step 6: Final answer
    x = 5,157.26

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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.