Home / 11,133.11-16,706.15-4,208.15

Finding the Fourth Proportional to 11,133.11, 16,706.15 and 4,208.15

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Solution

The fourth proportional to 11,133.11, 16,706.15 and 4,208.15 is: 6,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.11 : 16,706.15 = 4,208.15 : x
  2. Step 2: Convert to fraction form
    11,133.11/16,706.15 = 4,208.15/x
  3. Step 3: Cross multiply
    11,133.11x = 16,706.15 × 4,208.15
  4. Step 4: Simplify right side
    11,133.11x = 70,301,985.12
  5. Step 5: Solve for x
    x = 70,301,985.12/11,133.11
  6. Step 6: Final answer
    x = 6,314.68

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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.