Home / 7,402.91-11,103.55-2,208.38

Finding the Fourth Proportional to 7,402.91, 11,103.55 and 2,208.38

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Solution

The fourth proportional to 7,402.91, 11,103.55 and 2,208.38 is: 3,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.91 : 11,103.55 = 2,208.38 : x
  2. Step 2: Convert to fraction form
    7,402.91/11,103.55 = 2,208.38/x
  3. Step 3: Cross multiply
    7,402.91x = 11,103.55 × 2,208.38
  4. Step 4: Simplify right side
    7,402.91x = 24,520,796.71
  5. Step 5: Solve for x
    x = 24,520,796.71/7,402.91
  6. Step 6: Final answer
    x = 3,312.32

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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.