Home / 8,821.25-12,173.34-5,236.93

Finding the Fourth Proportional to 8,821.25, 12,173.34 and 5,236.93

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Solution

The fourth proportional to 8,821.25, 12,173.34 and 5,236.93 is: 7,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.25 : 12,173.34 = 5,236.93 : x
  2. Step 2: Convert to fraction form
    8,821.25/12,173.34 = 5,236.93/x
  3. Step 3: Cross multiply
    8,821.25x = 12,173.34 × 5,236.93
  4. Step 4: Simplify right side
    8,821.25x = 63,750,881.10
  5. Step 5: Solve for x
    x = 63,750,881.10/8,821.25
  6. Step 6: Final answer
    x = 7,226.97

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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.