Home / 7,412.47-11,121.45-3,465.96

Finding the Fourth Proportional to 7,412.47, 11,121.45 and 3,465.96

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Solution

The fourth proportional to 7,412.47, 11,121.45 and 3,465.96 is: 5,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.47 : 11,121.45 = 3,465.96 : x
  2. Step 2: Convert to fraction form
    7,412.47/11,121.45 = 3,465.96/x
  3. Step 3: Cross multiply
    7,412.47x = 11,121.45 × 3,465.96
  4. Step 4: Simplify right side
    7,412.47x = 38,546,500.84
  5. Step 5: Solve for x
    x = 38,546,500.84/7,412.47
  6. Step 6: Final answer
    x = 5,200.22

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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.