Home / 8,744.16-12,069.84-5,208.48

Finding the Fourth Proportional to 8,744.16, 12,069.84 and 5,208.48

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Solution

The fourth proportional to 8,744.16, 12,069.84 and 5,208.48 is: 7,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.16 : 12,069.84 = 5,208.48 : x
  2. Step 2: Convert to fraction form
    8,744.16/12,069.84 = 5,208.48/x
  3. Step 3: Cross multiply
    8,744.16x = 12,069.84 × 5,208.48
  4. Step 4: Simplify right side
    8,744.16x = 62,865,520.24
  5. Step 5: Solve for x
    x = 62,865,520.24/8,744.16
  6. Step 6: Final answer
    x = 7,189.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.