Home / 7,185.11-9,909.34-4,351.83

Finding the Fourth Proportional to 7,185.11, 9,909.34 and 4,351.83

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Solution

The fourth proportional to 7,185.11, 9,909.34 and 4,351.83 is: 6,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.11 : 9,909.34 = 4,351.83 : x
  2. Step 2: Convert to fraction form
    7,185.11/9,909.34 = 4,351.83/x
  3. Step 3: Cross multiply
    7,185.11x = 9,909.34 × 4,351.83
  4. Step 4: Simplify right side
    7,185.11x = 43,123,715.05
  5. Step 5: Solve for x
    x = 43,123,715.05/7,185.11
  6. Step 6: Final answer
    x = 6,001.82

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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.