Home / 8,837.10-13,181.20-8,224.74

Finding the Fourth Proportional to 8,837.10, 13,181.20 and 8,224.74

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Solution

The fourth proportional to 8,837.10, 13,181.20 and 8,224.74 is: 12,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.10 : 13,181.20 = 8,224.74 : x
  2. Step 2: Convert to fraction form
    8,837.10/13,181.20 = 8,224.74/x
  3. Step 3: Cross multiply
    8,837.10x = 13,181.20 × 8,224.74
  4. Step 4: Simplify right side
    8,837.10x = 108,411,922.33
  5. Step 5: Solve for x
    x = 108,411,922.33/8,837.10
  6. Step 6: Final answer
    x = 12,267.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.