Home / 11,616.70-17,427.34-4,221.40

Finding the Fourth Proportional to 11,616.70, 17,427.34 and 4,221.40

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Solution

The fourth proportional to 11,616.70, 17,427.34 and 4,221.40 is: 6,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.70 : 17,427.34 = 4,221.40 : x
  2. Step 2: Convert to fraction form
    11,616.70/17,427.34 = 4,221.40/x
  3. Step 3: Cross multiply
    11,616.70x = 17,427.34 × 4,221.40
  4. Step 4: Simplify right side
    11,616.70x = 73,567,773.08
  5. Step 5: Solve for x
    x = 73,567,773.08/11,616.70
  6. Step 6: Final answer
    x = 6,332.93

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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.