Home / 8,207.12-11,327.64-5,021.12

Finding the Fourth Proportional to 8,207.12, 11,327.64 and 5,021.12

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Solution

The fourth proportional to 8,207.12, 11,327.64 and 5,021.12 is: 6,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.12 : 11,327.64 = 5,021.12 : x
  2. Step 2: Convert to fraction form
    8,207.12/11,327.64 = 5,021.12/x
  3. Step 3: Cross multiply
    8,207.12x = 11,327.64 × 5,021.12
  4. Step 4: Simplify right side
    8,207.12x = 56,877,439.76
  5. Step 5: Solve for x
    x = 56,877,439.76/8,207.12
  6. Step 6: Final answer
    x = 6,930.26

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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.