Home / 11,384.04-17,083.68-3,988.50

Finding the Fourth Proportional to 11,384.04, 17,083.68 and 3,988.50

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Solution

The fourth proportional to 11,384.04, 17,083.68 and 3,988.50 is: 5,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.04 : 17,083.68 = 3,988.50 : x
  2. Step 2: Convert to fraction form
    11,384.04/17,083.68 = 3,988.50/x
  3. Step 3: Cross multiply
    11,384.04x = 17,083.68 × 3,988.50
  4. Step 4: Simplify right side
    11,384.04x = 68,138,257.68
  5. Step 5: Solve for x
    x = 68,138,257.68/11,384.04
  6. Step 6: Final answer
    x = 5,985.42

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1.5x scale

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.