Home / 11,805.81-17,719.64-5,966.52

Finding the Fourth Proportional to 11,805.81, 17,719.64 and 5,966.52

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Solution

The fourth proportional to 11,805.81, 17,719.64 and 5,966.52 is: 8,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.81 : 17,719.64 = 5,966.52 : x
  2. Step 2: Convert to fraction form
    11,805.81/17,719.64 = 5,966.52/x
  3. Step 3: Cross multiply
    11,805.81x = 17,719.64 × 5,966.52
  4. Step 4: Simplify right side
    11,805.81x = 105,724,586.45
  5. Step 5: Solve for x
    x = 105,724,586.45/11,805.81
  6. Step 6: Final answer
    x = 8,955.30

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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.