Home / 8,100.54-11,178.68-4,564.89

Finding the Fourth Proportional to 8,100.54, 11,178.68 and 4,564.89

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Solution

The fourth proportional to 8,100.54, 11,178.68 and 4,564.89 is: 6,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.54 : 11,178.68 = 4,564.89 : x
  2. Step 2: Convert to fraction form
    8,100.54/11,178.68 = 4,564.89/x
  3. Step 3: Cross multiply
    8,100.54x = 11,178.68 × 4,564.89
  4. Step 4: Simplify right side
    8,100.54x = 51,029,444.55
  5. Step 5: Solve for x
    x = 51,029,444.55/8,100.54
  6. Step 6: Final answer
    x = 6,299.51

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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.