Home / 6,248.62-9,369.84-2,087.20

Finding the Fourth Proportional to 6,248.62, 9,369.84 and 2,087.20

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Solution

The fourth proportional to 6,248.62, 9,369.84 and 2,087.20 is: 3,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.62 : 9,369.84 = 2,087.20 : x
  2. Step 2: Convert to fraction form
    6,248.62/9,369.84 = 2,087.20/x
  3. Step 3: Cross multiply
    6,248.62x = 9,369.84 × 2,087.20
  4. Step 4: Simplify right side
    6,248.62x = 19,556,730.05
  5. Step 5: Solve for x
    x = 19,556,730.05/6,248.62
  6. Step 6: Final answer
    x = 3,129.77

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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.