Home / 12,175.38-16,802.52-6,870.19

Finding the Fourth Proportional to 12,175.38, 16,802.52 and 6,870.19

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Solution

The fourth proportional to 12,175.38, 16,802.52 and 6,870.19 is: 9,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.38 : 16,802.52 = 6,870.19 : x
  2. Step 2: Convert to fraction form
    12,175.38/16,802.52 = 6,870.19/x
  3. Step 3: Cross multiply
    12,175.38x = 16,802.52 × 6,870.19
  4. Step 4: Simplify right side
    12,175.38x = 115,436,504.88
  5. Step 5: Solve for x
    x = 115,436,504.88/12,175.38
  6. Step 6: Final answer
    x = 9,481.14

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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.