Home / 8,022.51-12,003.66-6,636.51

Finding the Fourth Proportional to 8,022.51, 12,003.66 and 6,636.51

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Solution

The fourth proportional to 8,022.51, 12,003.66 and 6,636.51 is: 9,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.51 : 12,003.66 = 6,636.51 : x
  2. Step 2: Convert to fraction form
    8,022.51/12,003.66 = 6,636.51/x
  3. Step 3: Cross multiply
    8,022.51x = 12,003.66 × 6,636.51
  4. Step 4: Simplify right side
    8,022.51x = 79,662,409.63
  5. Step 5: Solve for x
    x = 79,662,409.63/8,022.51
  6. Step 6: Final answer
    x = 9,929.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.