Home / 7,437.42-11,147.83-3,533.63

Finding the Fourth Proportional to 7,437.42, 11,147.83 and 3,533.63

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Solution

The fourth proportional to 7,437.42, 11,147.83 and 3,533.63 is: 5,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.42 : 11,147.83 = 3,533.63 : x
  2. Step 2: Convert to fraction form
    7,437.42/11,147.83 = 3,533.63/x
  3. Step 3: Cross multiply
    7,437.42x = 11,147.83 × 3,533.63
  4. Step 4: Simplify right side
    7,437.42x = 39,392,241.95
  5. Step 5: Solve for x
    x = 39,392,241.95/7,437.42
  6. Step 6: Final answer
    x = 5,296.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.