Home / 7,705.20-10,633.14-4,168.38

Finding the Fourth Proportional to 7,705.20, 10,633.14 and 4,168.38

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Solution

The fourth proportional to 7,705.20, 10,633.14 and 4,168.38 is: 5,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.20 : 10,633.14 = 4,168.38 : x
  2. Step 2: Convert to fraction form
    7,705.20/10,633.14 = 4,168.38/x
  3. Step 3: Cross multiply
    7,705.20x = 10,633.14 × 4,168.38
  4. Step 4: Simplify right side
    7,705.20x = 44,322,968.11
  5. Step 5: Solve for x
    x = 44,322,968.11/7,705.20
  6. Step 6: Final answer
    x = 5,752.34

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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.