Home / 11,103.83-15,323.47-6,626.71

Finding the Fourth Proportional to 11,103.83, 15,323.47 and 6,626.71

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Solution

The fourth proportional to 11,103.83, 15,323.47 and 6,626.71 is: 9,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.83 : 15,323.47 = 6,626.71 : x
  2. Step 2: Convert to fraction form
    11,103.83/15,323.47 = 6,626.71/x
  3. Step 3: Cross multiply
    11,103.83x = 15,323.47 × 6,626.71
  4. Step 4: Simplify right side
    11,103.83x = 101,544,137.01
  5. Step 5: Solve for x
    x = 101,544,137.01/11,103.83
  6. Step 6: Final answer
    x = 9,144.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.