Home / 6,992.20-10,488.30-2,312.20

Finding the Fourth Proportional to 6,992.20, 10,488.30 and 2,312.20

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Solution

The fourth proportional to 6,992.20, 10,488.30 and 2,312.20 is: 3,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.20 : 10,488.30 = 2,312.20 : x
  2. Step 2: Convert to fraction form
    6,992.20/10,488.30 = 2,312.20/x
  3. Step 3: Cross multiply
    6,992.20x = 10,488.30 × 2,312.20
  4. Step 4: Simplify right side
    6,992.20x = 24,251,047.26
  5. Step 5: Solve for x
    x = 24,251,047.26/6,992.20
  6. Step 6: Final answer
    x = 3,468.30

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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.