Home / 11,212.46-16,816.76-5,055.02

Finding the Fourth Proportional to 11,212.46, 16,816.76 and 5,055.02

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Solution

The fourth proportional to 11,212.46, 16,816.76 and 5,055.02 is: 7,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.46 : 16,816.76 = 5,055.02 : x
  2. Step 2: Convert to fraction form
    11,212.46/16,816.76 = 5,055.02/x
  3. Step 3: Cross multiply
    11,212.46x = 16,816.76 × 5,055.02
  4. Step 4: Simplify right side
    11,212.46x = 85,009,058.14
  5. Step 5: Solve for x
    x = 85,009,058.14/11,212.46
  6. Step 6: Final answer
    x = 7,581.66

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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.