Home / 11,706.95-17,557.81-3,385.11

Finding the Fourth Proportional to 11,706.95, 17,557.81 and 3,385.11

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Solution

The fourth proportional to 11,706.95, 17,557.81 and 3,385.11 is: 5,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.95 : 17,557.81 = 3,385.11 : x
  2. Step 2: Convert to fraction form
    11,706.95/17,557.81 = 3,385.11/x
  3. Step 3: Cross multiply
    11,706.95x = 17,557.81 × 3,385.11
  4. Step 4: Simplify right side
    11,706.95x = 59,435,118.21
  5. Step 5: Solve for x
    x = 59,435,118.21/11,706.95
  6. Step 6: Final answer
    x = 5,076.91

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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.