Home / 11,801.19-17,701.78-4,875.87

Finding the Fourth Proportional to 11,801.19, 17,701.78 and 4,875.87

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Solution

The fourth proportional to 11,801.19, 17,701.78 and 4,875.87 is: 7,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.19 : 17,701.78 = 4,875.87 : x
  2. Step 2: Convert to fraction form
    11,801.19/17,701.78 = 4,875.87/x
  3. Step 3: Cross multiply
    11,801.19x = 17,701.78 × 4,875.87
  4. Step 4: Simplify right side
    11,801.19x = 86,311,578.05
  5. Step 5: Solve for x
    x = 86,311,578.05/11,801.19
  6. Step 6: Final answer
    x = 7,313.80

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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.