Home / 7,343.79-11,017.49-3,443.64

Finding the Fourth Proportional to 7,343.79, 11,017.49 and 3,443.64

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Solution

The fourth proportional to 7,343.79, 11,017.49 and 3,443.64 is: 5,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.79 : 11,017.49 = 3,443.64 : x
  2. Step 2: Convert to fraction form
    7,343.79/11,017.49 = 3,443.64/x
  3. Step 3: Cross multiply
    7,343.79x = 11,017.49 × 3,443.64
  4. Step 4: Simplify right side
    7,343.79x = 37,940,269.26
  5. Step 5: Solve for x
    x = 37,940,269.26/7,343.79
  6. Step 6: Final answer
    x = 5,166.31

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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.