Home / 11,240.60-15,512.88-6,205.79

Finding the Fourth Proportional to 11,240.60, 15,512.88 and 6,205.79

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Solution

The fourth proportional to 11,240.60, 15,512.88 and 6,205.79 is: 8,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.60 : 15,512.88 = 6,205.79 : x
  2. Step 2: Convert to fraction form
    11,240.60/15,512.88 = 6,205.79/x
  3. Step 3: Cross multiply
    11,240.60x = 15,512.88 × 6,205.79
  4. Step 4: Simplify right side
    11,240.60x = 96,269,598.01
  5. Step 5: Solve for x
    x = 96,269,598.01/11,240.60
  6. Step 6: Final answer
    x = 8,564.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.