Home / 8,840.48-13,186.23-8,228.12

Finding the Fourth Proportional to 8,840.48, 13,186.23 and 8,228.12

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Solution

The fourth proportional to 8,840.48, 13,186.23 and 8,228.12 is: 12,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.48 : 13,186.23 = 8,228.12 : x
  2. Step 2: Convert to fraction form
    8,840.48/13,186.23 = 8,228.12/x
  3. Step 3: Cross multiply
    8,840.48x = 13,186.23 × 8,228.12
  4. Step 4: Simplify right side
    8,840.48x = 108,497,786.00
  5. Step 5: Solve for x
    x = 108,497,786.00/8,840.48
  6. Step 6: Final answer
    x = 12,272.85

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.