Home / 7,759.12-10,707.66-4,401.82

Finding the Fourth Proportional to 7,759.12, 10,707.66 and 4,401.82

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Solution

The fourth proportional to 7,759.12, 10,707.66 and 4,401.82 is: 6,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.12 : 10,707.66 = 4,401.82 : x
  2. Step 2: Convert to fraction form
    7,759.12/10,707.66 = 4,401.82/x
  3. Step 3: Cross multiply
    7,759.12x = 10,707.66 × 4,401.82
  4. Step 4: Simplify right side
    7,759.12x = 47,133,191.94
  5. Step 5: Solve for x
    x = 47,133,191.94/7,759.12
  6. Step 6: Final answer
    x = 6,074.55

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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.