Home / 7,131.92-9,838.74-4,614.84

Finding the Fourth Proportional to 7,131.92, 9,838.74 and 4,614.84

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Solution

The fourth proportional to 7,131.92, 9,838.74 and 4,614.84 is: 6,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.92 : 9,838.74 = 4,614.84 : x
  2. Step 2: Convert to fraction form
    7,131.92/9,838.74 = 4,614.84/x
  3. Step 3: Cross multiply
    7,131.92x = 9,838.74 × 4,614.84
  4. Step 4: Simplify right side
    7,131.92x = 45,404,212.42
  5. Step 5: Solve for x
    x = 45,404,212.42/7,131.92
  6. Step 6: Final answer
    x = 6,366.34

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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.