Home / 7,411.49-11,107.68-5,548.01

Finding the Fourth Proportional to 7,411.49, 11,107.68 and 5,548.01

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Solution

The fourth proportional to 7,411.49, 11,107.68 and 5,548.01 is: 8,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.49 : 11,107.68 = 5,548.01 : x
  2. Step 2: Convert to fraction form
    7,411.49/11,107.68 = 5,548.01/x
  3. Step 3: Cross multiply
    7,411.49x = 11,107.68 × 5,548.01
  4. Step 4: Simplify right side
    7,411.49x = 61,625,519.72
  5. Step 5: Solve for x
    x = 61,625,519.72/7,411.49
  6. Step 6: Final answer
    x = 8,314.86

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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.