Home / 7,019.11-10,531.32-3,272.81

Finding the Fourth Proportional to 7,019.11, 10,531.32 and 3,272.81

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Solution

The fourth proportional to 7,019.11, 10,531.32 and 3,272.81 is: 4,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.11 : 10,531.32 = 3,272.81 : x
  2. Step 2: Convert to fraction form
    7,019.11/10,531.32 = 3,272.81/x
  3. Step 3: Cross multiply
    7,019.11x = 10,531.32 × 3,272.81
  4. Step 4: Simplify right side
    7,019.11x = 34,466,944.48
  5. Step 5: Solve for x
    x = 34,466,944.48/7,019.11
  6. Step 6: Final answer
    x = 4,910.45

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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.