Home / 10,557.36-15,836.16-2,766.96

Finding the Fourth Proportional to 10,557.36, 15,836.16 and 2,766.96

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Solution

The fourth proportional to 10,557.36, 15,836.16 and 2,766.96 is: 4,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.36 : 15,836.16 = 2,766.96 : x
  2. Step 2: Convert to fraction form
    10,557.36/15,836.16 = 2,766.96/x
  3. Step 3: Cross multiply
    10,557.36x = 15,836.16 × 2,766.96
  4. Step 4: Simplify right side
    10,557.36x = 43,818,021.27
  5. Step 5: Solve for x
    x = 43,818,021.27/10,557.36
  6. Step 6: Final answer
    x = 4,150.47

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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.