Home / 7,742.24-11,628.30-6,634.16

Finding the Fourth Proportional to 7,742.24, 11,628.30 and 6,634.16

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Solution

The fourth proportional to 7,742.24, 11,628.30 and 6,634.16 is: 9,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.24 : 11,628.30 = 6,634.16 : x
  2. Step 2: Convert to fraction form
    7,742.24/11,628.30 = 6,634.16/x
  3. Step 3: Cross multiply
    7,742.24x = 11,628.30 × 6,634.16
  4. Step 4: Simplify right side
    7,742.24x = 77,144,002.73
  5. Step 5: Solve for x
    x = 77,144,002.73/7,742.24
  6. Step 6: Final answer
    x = 9,964.04

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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.