Home / 7,324.70-10,108.12-3,967.51

Finding the Fourth Proportional to 7,324.70, 10,108.12 and 3,967.51

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Solution

The fourth proportional to 7,324.70, 10,108.12 and 3,967.51 is: 5,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.70 : 10,108.12 = 3,967.51 : x
  2. Step 2: Convert to fraction form
    7,324.70/10,108.12 = 3,967.51/x
  3. Step 3: Cross multiply
    7,324.70x = 10,108.12 × 3,967.51
  4. Step 4: Simplify right side
    7,324.70x = 40,104,018.80
  5. Step 5: Solve for x
    x = 40,104,018.80/7,324.70
  6. Step 6: Final answer
    x = 5,475.17

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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.