Home / 7,406.39-11,109.12-2,475.61

Finding the Fourth Proportional to 7,406.39, 11,109.12 and 2,475.61

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Solution

The fourth proportional to 7,406.39, 11,109.12 and 2,475.61 is: 3,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.39 : 11,109.12 = 2,475.61 : x
  2. Step 2: Convert to fraction form
    7,406.39/11,109.12 = 2,475.61/x
  3. Step 3: Cross multiply
    7,406.39x = 11,109.12 × 2,475.61
  4. Step 4: Simplify right side
    7,406.39x = 27,501,848.56
  5. Step 5: Solve for x
    x = 27,501,848.56/7,406.39
  6. Step 6: Final answer
    x = 3,713.26

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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.