Home / 7,330.24-10,115.66-4,186.42

Finding the Fourth Proportional to 7,330.24, 10,115.66 and 4,186.42

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Solution

The fourth proportional to 7,330.24, 10,115.66 and 4,186.42 is: 5,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.24 : 10,115.66 = 4,186.42 : x
  2. Step 2: Convert to fraction form
    7,330.24/10,115.66 = 4,186.42/x
  3. Step 3: Cross multiply
    7,330.24x = 10,115.66 × 4,186.42
  4. Step 4: Simplify right side
    7,330.24x = 42,348,401.34
  5. Step 5: Solve for x
    x = 42,348,401.34/7,330.24
  6. Step 6: Final answer
    x = 5,777.22

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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.