Home / 12,450.51-17,181.59-6,785.10

Finding the Fourth Proportional to 12,450.51, 17,181.59 and 6,785.10

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Solution

The fourth proportional to 12,450.51, 17,181.59 and 6,785.10 is: 9,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.51 : 17,181.59 = 6,785.10 : x
  2. Step 2: Convert to fraction form
    12,450.51/17,181.59 = 6,785.10/x
  3. Step 3: Cross multiply
    12,450.51x = 17,181.59 × 6,785.10
  4. Step 4: Simplify right side
    12,450.51x = 116,578,772.38
  5. Step 5: Solve for x
    x = 116,578,772.38/12,450.51
  6. Step 6: Final answer
    x = 9,363.37

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