Home / 8,503.45-11,722.42-6,141.85

Finding the Fourth Proportional to 8,503.45, 11,722.42 and 6,141.85

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Solution

The fourth proportional to 8,503.45, 11,722.42 and 6,141.85 is: 8,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.45 : 11,722.42 = 6,141.85 : x
  2. Step 2: Convert to fraction form
    8,503.45/11,722.42 = 6,141.85/x
  3. Step 3: Cross multiply
    8,503.45x = 11,722.42 × 6,141.85
  4. Step 4: Simplify right side
    8,503.45x = 71,997,345.28
  5. Step 5: Solve for x
    x = 71,997,345.28/8,503.45
  6. Step 6: Final answer
    x = 8,466.84

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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.