Home / 11,059.20-16,588.80-5,227.20

Finding the Fourth Proportional to 11,059.20, 16,588.80 and 5,227.20

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Solution

The fourth proportional to 11,059.20, 16,588.80 and 5,227.20 is: 7,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.20 : 16,588.80 = 5,227.20 : x
  2. Step 2: Convert to fraction form
    11,059.20/16,588.80 = 5,227.20/x
  3. Step 3: Cross multiply
    11,059.20x = 16,588.80 × 5,227.20
  4. Step 4: Simplify right side
    11,059.20x = 86,712,975.36
  5. Step 5: Solve for x
    x = 86,712,975.36/11,059.20
  6. Step 6: Final answer
    x = 7,840.80

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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.