Home / 8,309.25-11,466.77-4,772.72

Finding the Fourth Proportional to 8,309.25, 11,466.77 and 4,772.72

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Solution

The fourth proportional to 8,309.25, 11,466.77 and 4,772.72 is: 6,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.25 : 11,466.77 = 4,772.72 : x
  2. Step 2: Convert to fraction form
    8,309.25/11,466.77 = 4,772.72/x
  3. Step 3: Cross multiply
    8,309.25x = 11,466.77 × 4,772.72
  4. Step 4: Simplify right side
    8,309.25x = 54,727,687.32
  5. Step 5: Solve for x
    x = 54,727,687.32/8,309.25
  6. Step 6: Final answer
    x = 6,586.36

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Half scale
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Double scale
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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.