Home / 7,620.18-11,401.69-6,304.56

Finding the Fourth Proportional to 7,620.18, 11,401.69 and 6,304.56

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Solution

The fourth proportional to 7,620.18, 11,401.69 and 6,304.56 is: 9,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.18 : 11,401.69 = 6,304.56 : x
  2. Step 2: Convert to fraction form
    7,620.18/11,401.69 = 6,304.56/x
  3. Step 3: Cross multiply
    7,620.18x = 11,401.69 × 6,304.56
  4. Step 4: Simplify right side
    7,620.18x = 71,882,606.35
  5. Step 5: Solve for x
    x = 71,882,606.35/7,620.18
  6. Step 6: Final answer
    x = 9,433.19

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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.