Home / 11,694.51-17,547.03-5,122.58

Finding the Fourth Proportional to 11,694.51, 17,547.03 and 5,122.58

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Solution

The fourth proportional to 11,694.51, 17,547.03 and 5,122.58 is: 7,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.51 : 17,547.03 = 5,122.58 : x
  2. Step 2: Convert to fraction form
    11,694.51/17,547.03 = 5,122.58/x
  3. Step 3: Cross multiply
    11,694.51x = 17,547.03 × 5,122.58
  4. Step 4: Simplify right side
    11,694.51x = 89,885,977.20
  5. Step 5: Solve for x
    x = 89,885,977.20/11,694.51
  6. Step 6: Final answer
    x = 7,686.17

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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.