Home / 9,477.99-13,079.46-5,229.44

Finding the Fourth Proportional to 9,477.99, 13,079.46 and 5,229.44

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Solution

The fourth proportional to 9,477.99, 13,079.46 and 5,229.44 is: 7,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.99 : 13,079.46 = 5,229.44 : x
  2. Step 2: Convert to fraction form
    9,477.99/13,079.46 = 5,229.44/x
  3. Step 3: Cross multiply
    9,477.99x = 13,079.46 × 5,229.44
  4. Step 4: Simplify right side
    9,477.99x = 68,398,185.91
  5. Step 5: Solve for x
    x = 68,398,185.91/9,477.99
  6. Step 6: Final answer
    x = 7,216.53

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Half scale
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Double scale
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Similar ratio
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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.