Home / 7,115.57-10,673.34-3,955.02

Finding the Fourth Proportional to 7,115.57, 10,673.34 and 3,955.02

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Solution

The fourth proportional to 7,115.57, 10,673.34 and 3,955.02 is: 5,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.57 : 10,673.34 = 3,955.02 : x
  2. Step 2: Convert to fraction form
    7,115.57/10,673.34 = 3,955.02/x
  3. Step 3: Cross multiply
    7,115.57x = 10,673.34 × 3,955.02
  4. Step 4: Simplify right side
    7,115.57x = 42,213,218.31
  5. Step 5: Solve for x
    x = 42,213,218.31/7,115.57
  6. Step 6: Final answer
    x = 5,932.51

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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.