Home / 6,345.19-8,755.59-3,512.35

Finding the Fourth Proportional to 6,345.19, 8,755.59 and 3,512.35

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Solution

The fourth proportional to 6,345.19, 8,755.59 and 3,512.35 is: 4,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.19 : 8,755.59 = 3,512.35 : x
  2. Step 2: Convert to fraction form
    6,345.19/8,755.59 = 3,512.35/x
  3. Step 3: Cross multiply
    6,345.19x = 8,755.59 × 3,512.35
  4. Step 4: Simplify right side
    6,345.19x = 30,752,696.54
  5. Step 5: Solve for x
    x = 30,752,696.54/6,345.19
  6. Step 6: Final answer
    x = 4,846.62

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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.