Home / 7,411.19-11,102.79-5,759.69

Finding the Fourth Proportional to 7,411.19, 11,102.79 and 5,759.69

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Solution

The fourth proportional to 7,411.19, 11,102.79 and 5,759.69 is: 8,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.19 : 11,102.79 = 5,759.69 : x
  2. Step 2: Convert to fraction form
    7,411.19/11,102.79 = 5,759.69/x
  3. Step 3: Cross multiply
    7,411.19x = 11,102.79 × 5,759.69
  4. Step 4: Simplify right side
    7,411.19x = 63,948,573.02
  5. Step 5: Solve for x
    x = 63,948,573.02/7,411.19
  6. Step 6: Final answer
    x = 8,628.66

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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.