Home / 6,981.12-10,471.99-2,237.76

Finding the Fourth Proportional to 6,981.12, 10,471.99 and 2,237.76

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Solution

The fourth proportional to 6,981.12, 10,471.99 and 2,237.76 is: 3,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.12 : 10,471.99 = 2,237.76 : x
  2. Step 2: Convert to fraction form
    6,981.12/10,471.99 = 2,237.76/x
  3. Step 3: Cross multiply
    6,981.12x = 10,471.99 × 2,237.76
  4. Step 4: Simplify right side
    6,981.12x = 23,433,800.34
  5. Step 5: Solve for x
    x = 23,433,800.34/6,981.12
  6. Step 6: Final answer
    x = 3,356.74

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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.