Home / 12,227.24-16,873.62-6,638.12

Finding the Fourth Proportional to 12,227.24, 16,873.62 and 6,638.12

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Solution

The fourth proportional to 12,227.24, 16,873.62 and 6,638.12 is: 9,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.24 : 16,873.62 = 6,638.12 : x
  2. Step 2: Convert to fraction form
    12,227.24/16,873.62 = 6,638.12/x
  3. Step 3: Cross multiply
    12,227.24x = 16,873.62 × 6,638.12
  4. Step 4: Simplify right side
    12,227.24x = 112,009,114.39
  5. Step 5: Solve for x
    x = 112,009,114.39/12,227.24
  6. Step 6: Final answer
    x = 9,160.62

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Half scale
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Double scale
Find fourth proportional to 12,228.24, 16,875 and 6,639.12
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.