Home / 7,406.22-11,112.08-3,459.71

Finding the Fourth Proportional to 7,406.22, 11,112.08 and 3,459.71

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Solution

The fourth proportional to 7,406.22, 11,112.08 and 3,459.71 is: 5,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.22 : 11,112.08 = 3,459.71 : x
  2. Step 2: Convert to fraction form
    7,406.22/11,112.08 = 3,459.71/x
  3. Step 3: Cross multiply
    7,406.22x = 11,112.08 × 3,459.71
  4. Step 4: Simplify right side
    7,406.22x = 38,444,501.44
  5. Step 5: Solve for x
    x = 38,444,501.44/7,406.22
  6. Step 6: Final answer
    x = 5,190.84

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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.