Home / 7,370.12-11,053.54-2,174.78

Finding the Fourth Proportional to 7,370.12, 11,053.54 and 2,174.78

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Solution

The fourth proportional to 7,370.12, 11,053.54 and 2,174.78 is: 3,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.12 : 11,053.54 = 2,174.78 : x
  2. Step 2: Convert to fraction form
    7,370.12/11,053.54 = 2,174.78/x
  3. Step 3: Cross multiply
    7,370.12x = 11,053.54 × 2,174.78
  4. Step 4: Simplify right side
    7,370.12x = 24,039,017.72
  5. Step 5: Solve for x
    x = 24,039,017.72/7,370.12
  6. Step 6: Final answer
    x = 3,261.69

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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.