Home / 11,365.48-17,047.78-5,520.52

Finding the Fourth Proportional to 11,365.48, 17,047.78 and 5,520.52

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Solution

The fourth proportional to 11,365.48, 17,047.78 and 5,520.52 is: 8,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.48 : 17,047.78 = 5,520.52 : x
  2. Step 2: Convert to fraction form
    11,365.48/17,047.78 = 5,520.52/x
  3. Step 3: Cross multiply
    11,365.48x = 17,047.78 × 5,520.52
  4. Step 4: Simplify right side
    11,365.48x = 94,112,610.45
  5. Step 5: Solve for x
    x = 94,112,610.45/11,365.48
  6. Step 6: Final answer
    x = 8,280.57

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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.