Home / 11,771.15-17,656.49-4,750.97

Finding the Fourth Proportional to 11,771.15, 17,656.49 and 4,750.97

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Solution

The fourth proportional to 11,771.15, 17,656.49 and 4,750.97 is: 7,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.15 : 17,656.49 = 4,750.97 : x
  2. Step 2: Convert to fraction form
    11,771.15/17,656.49 = 4,750.97/x
  3. Step 3: Cross multiply
    11,771.15x = 17,656.49 × 4,750.97
  4. Step 4: Simplify right side
    11,771.15x = 83,885,430.54
  5. Step 5: Solve for x
    x = 83,885,430.54/11,771.15
  6. Step 6: Final answer
    x = 7,126.36

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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.