Home / 11,867.13-17,800.47-3,547.17

Finding the Fourth Proportional to 11,867.13, 17,800.47 and 3,547.17

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Solution

The fourth proportional to 11,867.13, 17,800.47 and 3,547.17 is: 5,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.13 : 17,800.47 = 3,547.17 : x
  2. Step 2: Convert to fraction form
    11,867.13/17,800.47 = 3,547.17/x
  3. Step 3: Cross multiply
    11,867.13x = 17,800.47 × 3,547.17
  4. Step 4: Simplify right side
    11,867.13x = 63,141,293.17
  5. Step 5: Solve for x
    x = 63,141,293.17/11,867.13
  6. Step 6: Final answer
    x = 5,320.69

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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.