Home / 9,664.97-13,364.51-7,672.07

Finding the Fourth Proportional to 9,664.97, 13,364.51 and 7,672.07

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Solution

The fourth proportional to 9,664.97, 13,364.51 and 7,672.07 is: 10,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.97 : 13,364.51 = 7,672.07 : x
  2. Step 2: Convert to fraction form
    9,664.97/13,364.51 = 7,672.07/x
  3. Step 3: Cross multiply
    9,664.97x = 13,364.51 × 7,672.07
  4. Step 4: Simplify right side
    9,664.97x = 102,533,451.29
  5. Step 5: Solve for x
    x = 102,533,451.29/9,664.97
  6. Step 6: Final answer
    x = 10,608.78

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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.