Home / 11,875.19-17,806.19-4,860.11

Finding the Fourth Proportional to 11,875.19, 17,806.19 and 4,860.11

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Solution

The fourth proportional to 11,875.19, 17,806.19 and 4,860.11 is: 7,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.19 : 17,806.19 = 4,860.11 : x
  2. Step 2: Convert to fraction form
    11,875.19/17,806.19 = 4,860.11/x
  3. Step 3: Cross multiply
    11,875.19x = 17,806.19 × 4,860.11
  4. Step 4: Simplify right side
    11,875.19x = 86,540,062.30
  5. Step 5: Solve for x
    x = 86,540,062.30/11,875.19
  6. Step 6: Final answer
    x = 7,287.47

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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.