Home / 10,749.84-16,122.24-3,824.40

Finding the Fourth Proportional to 10,749.84, 16,122.24 and 3,824.40

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Solution

The fourth proportional to 10,749.84, 16,122.24 and 3,824.40 is: 5,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.84 : 16,122.24 = 3,824.40 : x
  2. Step 2: Convert to fraction form
    10,749.84/16,122.24 = 3,824.40/x
  3. Step 3: Cross multiply
    10,749.84x = 16,122.24 × 3,824.40
  4. Step 4: Simplify right side
    10,749.84x = 61,657,894.66
  5. Step 5: Solve for x
    x = 61,657,894.66/10,749.84
  6. Step 6: Final answer
    x = 5,735.70

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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.