Home / 7,343.88-10,136.70-4,200.36

Finding the Fourth Proportional to 7,343.88, 10,136.70 and 4,200.36

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Solution

The fourth proportional to 7,343.88, 10,136.70 and 4,200.36 is: 5,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.88 : 10,136.70 = 4,200.36 : x
  2. Step 2: Convert to fraction form
    7,343.88/10,136.70 = 4,200.36/x
  3. Step 3: Cross multiply
    7,343.88x = 10,136.70 × 4,200.36
  4. Step 4: Simplify right side
    7,343.88x = 42,577,789.21
  5. Step 5: Solve for x
    x = 42,577,789.21/7,343.88
  6. Step 6: Final answer
    x = 5,797.72

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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.