Home / 11,805.68-17,719.46-5,966.40

Finding the Fourth Proportional to 11,805.68, 17,719.46 and 5,966.40

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Solution

The fourth proportional to 11,805.68, 17,719.46 and 5,966.40 is: 8,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.68 : 17,719.46 = 5,966.40 : x
  2. Step 2: Convert to fraction form
    11,805.68/17,719.46 = 5,966.40/x
  3. Step 3: Cross multiply
    11,805.68x = 17,719.46 × 5,966.40
  4. Step 4: Simplify right side
    11,805.68x = 105,721,386.14
  5. Step 5: Solve for x
    x = 105,721,386.14/11,805.68
  6. Step 6: Final answer
    x = 8,955.13

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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.