Home / 11,769.91-16,242.73-6,465.02

Finding the Fourth Proportional to 11,769.91, 16,242.73 and 6,465.02

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Solution

The fourth proportional to 11,769.91, 16,242.73 and 6,465.02 is: 8,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.91 : 16,242.73 = 6,465.02 : x
  2. Step 2: Convert to fraction form
    11,769.91/16,242.73 = 6,465.02/x
  3. Step 3: Cross multiply
    11,769.91x = 16,242.73 × 6,465.02
  4. Step 4: Simplify right side
    11,769.91x = 105,009,476.93
  5. Step 5: Solve for x
    x = 105,009,476.93/11,769.91
  6. Step 6: Final answer
    x = 8,921.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.