Home / 7,474.05-10,318.49-4,959.57

Finding the Fourth Proportional to 7,474.05, 10,318.49 and 4,959.57

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Solution

The fourth proportional to 7,474.05, 10,318.49 and 4,959.57 is: 6,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.05 : 10,318.49 = 4,959.57 : x
  2. Step 2: Convert to fraction form
    7,474.05/10,318.49 = 4,959.57/x
  3. Step 3: Cross multiply
    7,474.05x = 10,318.49 × 4,959.57
  4. Step 4: Simplify right side
    7,474.05x = 51,175,248.65
  5. Step 5: Solve for x
    x = 51,175,248.65/7,474.05
  6. Step 6: Final answer
    x = 6,847.06

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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.