Home / 11,100.24-15,323.58-6,383.61

Finding the Fourth Proportional to 11,100.24, 15,323.58 and 6,383.61

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Solution

The fourth proportional to 11,100.24, 15,323.58 and 6,383.61 is: 8,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.24 : 15,323.58 = 6,383.61 : x
  2. Step 2: Convert to fraction form
    11,100.24/15,323.58 = 6,383.61/x
  3. Step 3: Cross multiply
    11,100.24x = 15,323.58 × 6,383.61
  4. Step 4: Simplify right side
    11,100.24x = 97,819,758.52
  5. Step 5: Solve for x
    x = 97,819,758.52/11,100.24
  6. Step 6: Final answer
    x = 8,812.40

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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.