Home / 11,861.84-17,795.85-3,541.85

Finding the Fourth Proportional to 11,861.84, 17,795.85 and 3,541.85

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Solution

The fourth proportional to 11,861.84, 17,795.85 and 3,541.85 is: 5,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.84 : 17,795.85 = 3,541.85 : x
  2. Step 2: Convert to fraction form
    11,861.84/17,795.85 = 3,541.85/x
  3. Step 3: Cross multiply
    11,861.84x = 17,795.85 × 3,541.85
  4. Step 4: Simplify right side
    11,861.84x = 63,030,275.81
  5. Step 5: Solve for x
    x = 63,030,275.81/11,861.84
  6. Step 6: Final answer
    x = 5,313.70

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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.