Home / 7,330.14-10,998.72-3,434.76

Finding the Fourth Proportional to 7,330.14, 10,998.72 and 3,434.76

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Solution

The fourth proportional to 7,330.14, 10,998.72 and 3,434.76 is: 5,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.14 : 10,998.72 = 3,434.76 : x
  2. Step 2: Convert to fraction form
    7,330.14/10,998.72 = 3,434.76/x
  3. Step 3: Cross multiply
    7,330.14x = 10,998.72 × 3,434.76
  4. Step 4: Simplify right side
    7,330.14x = 37,777,963.51
  5. Step 5: Solve for x
    x = 37,777,963.51/7,330.14
  6. Step 6: Final answer
    x = 5,153.78

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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.