Home / 6,965.53-10,449.21-3,678.76

Finding the Fourth Proportional to 6,965.53, 10,449.21 and 3,678.76

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Solution

The fourth proportional to 6,965.53, 10,449.21 and 3,678.76 is: 5,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.53 : 10,449.21 = 3,678.76 : x
  2. Step 2: Convert to fraction form
    6,965.53/10,449.21 = 3,678.76/x
  3. Step 3: Cross multiply
    6,965.53x = 10,449.21 × 3,678.76
  4. Step 4: Simplify right side
    6,965.53x = 38,440,135.78
  5. Step 5: Solve for x
    x = 38,440,135.78/6,965.53
  6. Step 6: Final answer
    x = 5,518.62

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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.