Home / 7,217.03-9,953.99-4,982.65

Finding the Fourth Proportional to 7,217.03, 9,953.99 and 4,982.65

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Solution

The fourth proportional to 7,217.03, 9,953.99 and 4,982.65 is: 6,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.03 : 9,953.99 = 4,982.65 : x
  2. Step 2: Convert to fraction form
    7,217.03/9,953.99 = 4,982.65/x
  3. Step 3: Cross multiply
    7,217.03x = 9,953.99 × 4,982.65
  4. Step 4: Simplify right side
    7,217.03x = 49,597,217.16
  5. Step 5: Solve for x
    x = 49,597,217.16/7,217.03
  6. Step 6: Final answer
    x = 6,872.25

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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.