Home / 7,909.24-11,885.42-4,214.11

Finding the Fourth Proportional to 7,909.24, 11,885.42 and 4,214.11

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Solution

The fourth proportional to 7,909.24, 11,885.42 and 4,214.11 is: 6,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.24 : 11,885.42 = 4,214.11 : x
  2. Step 2: Convert to fraction form
    7,909.24/11,885.42 = 4,214.11/x
  3. Step 3: Cross multiply
    7,909.24x = 11,885.42 × 4,214.11
  4. Step 4: Simplify right side
    7,909.24x = 50,086,446.21
  5. Step 5: Solve for x
    x = 50,086,446.21/7,909.24
  6. Step 6: Final answer
    x = 6,332.65

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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.