Home / 7,042.13-10,556.20-3,923.56

Finding the Fourth Proportional to 7,042.13, 10,556.20 and 3,923.56

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Solution

The fourth proportional to 7,042.13, 10,556.20 and 3,923.56 is: 5,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.13 : 10,556.20 = 3,923.56 : x
  2. Step 2: Convert to fraction form
    7,042.13/10,556.20 = 3,923.56/x
  3. Step 3: Cross multiply
    7,042.13x = 10,556.20 × 3,923.56
  4. Step 4: Simplify right side
    7,042.13x = 41,417,811.67
  5. Step 5: Solve for x
    x = 41,417,811.67/7,042.13
  6. Step 6: Final answer
    x = 5,881.44

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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.