Home / 11,451.34-17,187.81-5,908.60

Finding the Fourth Proportional to 11,451.34, 17,187.81 and 5,908.60

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Solution

The fourth proportional to 11,451.34, 17,187.81 and 5,908.60 is: 8,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.34 : 17,187.81 = 5,908.60 : x
  2. Step 2: Convert to fraction form
    11,451.34/17,187.81 = 5,908.60/x
  3. Step 3: Cross multiply
    11,451.34x = 17,187.81 × 5,908.60
  4. Step 4: Simplify right side
    11,451.34x = 101,555,894.17
  5. Step 5: Solve for x
    x = 101,555,894.17/11,451.34
  6. Step 6: Final answer
    x = 8,868.47

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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.