Home / 8,764.80-12,093.75-5,228.34

Finding the Fourth Proportional to 8,764.80, 12,093.75 and 5,228.34

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Solution

The fourth proportional to 8,764.80, 12,093.75 and 5,228.34 is: 7,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.80 : 12,093.75 = 5,228.34 : x
  2. Step 2: Convert to fraction form
    8,764.80/12,093.75 = 5,228.34/x
  3. Step 3: Cross multiply
    8,764.80x = 12,093.75 × 5,228.34
  4. Step 4: Simplify right side
    8,764.80x = 63,230,236.88
  5. Step 5: Solve for x
    x = 63,230,236.88/8,764.80
  6. Step 6: Final answer
    x = 7,214.11

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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.