Home / 8,216.15-11,343.58-7,330.41

Finding the Fourth Proportional to 8,216.15, 11,343.58 and 7,330.41

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Solution

The fourth proportional to 8,216.15, 11,343.58 and 7,330.41 is: 10,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.15 : 11,343.58 = 7,330.41 : x
  2. Step 2: Convert to fraction form
    8,216.15/11,343.58 = 7,330.41/x
  3. Step 3: Cross multiply
    8,216.15x = 11,343.58 × 7,330.41
  4. Step 4: Simplify right side
    8,216.15x = 83,153,073.94
  5. Step 5: Solve for x
    x = 83,153,073.94/8,216.15
  6. Step 6: Final answer
    x = 10,120.69

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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.