Home / 8,100.85-11,178.76-4,564.27

Finding the Fourth Proportional to 8,100.85, 11,178.76 and 4,564.27

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Solution

The fourth proportional to 8,100.85, 11,178.76 and 4,564.27 is: 6,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.85 : 11,178.76 = 4,564.27 : x
  2. Step 2: Convert to fraction form
    8,100.85/11,178.76 = 4,564.27/x
  3. Step 3: Cross multiply
    8,100.85x = 11,178.76 × 4,564.27
  4. Step 4: Simplify right side
    8,100.85x = 51,022,878.91
  5. Step 5: Solve for x
    x = 51,022,878.91/8,100.85
  6. Step 6: Final answer
    x = 6,298.46

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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.