Home / 7,475.11-11,208.86-4,355.76

Finding the Fourth Proportional to 7,475.11, 11,208.86 and 4,355.76

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Solution

The fourth proportional to 7,475.11, 11,208.86 and 4,355.76 is: 6,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.11 : 11,208.86 = 4,355.76 : x
  2. Step 2: Convert to fraction form
    7,475.11/11,208.86 = 4,355.76/x
  3. Step 3: Cross multiply
    7,475.11x = 11,208.86 × 4,355.76
  4. Step 4: Simplify right side
    7,475.11x = 48,823,104.03
  5. Step 5: Solve for x
    x = 48,823,104.03/7,475.11
  6. Step 6: Final answer
    x = 6,531.42

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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.