Home / 8,221.52-11,346.66-4,685.26

Finding the Fourth Proportional to 8,221.52, 11,346.66 and 4,685.26

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Solution

The fourth proportional to 8,221.52, 11,346.66 and 4,685.26 is: 6,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.52 : 11,346.66 = 4,685.26 : x
  2. Step 2: Convert to fraction form
    8,221.52/11,346.66 = 4,685.26/x
  3. Step 3: Cross multiply
    8,221.52x = 11,346.66 × 4,685.26
  4. Step 4: Simplify right side
    8,221.52x = 53,162,052.23
  5. Step 5: Solve for x
    x = 53,162,052.23/8,221.52
  6. Step 6: Final answer
    x = 6,466.21

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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.