Home / 12,180.54-16,809.13-6,591.54

Finding the Fourth Proportional to 12,180.54, 16,809.13 and 6,591.54

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Solution

The fourth proportional to 12,180.54, 16,809.13 and 6,591.54 is: 9,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.54 : 16,809.13 = 6,591.54 : x
  2. Step 2: Convert to fraction form
    12,180.54/16,809.13 = 6,591.54/x
  3. Step 3: Cross multiply
    12,180.54x = 16,809.13 × 6,591.54
  4. Step 4: Simplify right side
    12,180.54x = 110,798,052.76
  5. Step 5: Solve for x
    x = 110,798,052.76/12,180.54
  6. Step 6: Final answer
    x = 9,096.32

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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.