Home / 7,330.25-10,115.75-4,186.44

Finding the Fourth Proportional to 7,330.25, 10,115.75 and 4,186.44

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Solution

The fourth proportional to 7,330.25, 10,115.75 and 4,186.44 is: 5,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.25 : 10,115.75 = 4,186.44 : x
  2. Step 2: Convert to fraction form
    7,330.25/10,115.75 = 4,186.44/x
  3. Step 3: Cross multiply
    7,330.25x = 10,115.75 × 4,186.44
  4. Step 4: Simplify right side
    7,330.25x = 42,348,980.43
  5. Step 5: Solve for x
    x = 42,348,980.43/7,330.25
  6. Step 6: Final answer
    x = 5,777.29

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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.