Home / 12,795.05-19,192.58-5,397.55

Finding the Fourth Proportional to 12,795.05, 19,192.58 and 5,397.55

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Solution

The fourth proportional to 12,795.05, 19,192.58 and 5,397.55 is: 8,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.05 : 19,192.58 = 5,397.55 : x
  2. Step 2: Convert to fraction form
    12,795.05/19,192.58 = 5,397.55/x
  3. Step 3: Cross multiply
    12,795.05x = 19,192.58 × 5,397.55
  4. Step 4: Simplify right side
    12,795.05x = 103,592,910.18
  5. Step 5: Solve for x
    x = 103,592,910.18/12,795.05
  6. Step 6: Final answer
    x = 8,096.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.