Home / 8,336.97-11,501.51-7,072.65

Finding the Fourth Proportional to 8,336.97, 11,501.51 and 7,072.65

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Solution

The fourth proportional to 8,336.97, 11,501.51 and 7,072.65 is: 9,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.97 : 11,501.51 = 7,072.65 : x
  2. Step 2: Convert to fraction form
    8,336.97/11,501.51 = 7,072.65/x
  3. Step 3: Cross multiply
    8,336.97x = 11,501.51 × 7,072.65
  4. Step 4: Simplify right side
    8,336.97x = 81,346,119.34
  5. Step 5: Solve for x
    x = 81,346,119.34/8,336.97
  6. Step 6: Final answer
    x = 9,757.28

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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.