Home / 7,419.18-11,120.38-3,034.24

Finding the Fourth Proportional to 7,419.18, 11,120.38 and 3,034.24

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Solution

The fourth proportional to 7,419.18, 11,120.38 and 3,034.24 is: 4,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.18 : 11,120.38 = 3,034.24 : x
  2. Step 2: Convert to fraction form
    7,419.18/11,120.38 = 3,034.24/x
  3. Step 3: Cross multiply
    7,419.18x = 11,120.38 × 3,034.24
  4. Step 4: Simplify right side
    7,419.18x = 33,741,901.81
  5. Step 5: Solve for x
    x = 33,741,901.81/7,419.18
  6. Step 6: Final answer
    x = 4,547.93

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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.