Home / 12,244.57-16,873.81-8,258.76

Finding the Fourth Proportional to 12,244.57, 16,873.81 and 8,258.76

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Solution

The fourth proportional to 12,244.57, 16,873.81 and 8,258.76 is: 11,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.57 : 16,873.81 = 8,258.76 : x
  2. Step 2: Convert to fraction form
    12,244.57/16,873.81 = 8,258.76/x
  3. Step 3: Cross multiply
    12,244.57x = 16,873.81 × 8,258.76
  4. Step 4: Simplify right side
    12,244.57x = 139,356,747.08
  5. Step 5: Solve for x
    x = 139,356,747.08/12,244.57
  6. Step 6: Final answer
    x = 11,381.11

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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.