Home / 9,335.96-12,883.68-5,356.97

Finding the Fourth Proportional to 9,335.96, 12,883.68 and 5,356.97

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Solution

The fourth proportional to 9,335.96, 12,883.68 and 5,356.97 is: 7,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.96 : 12,883.68 = 5,356.97 : x
  2. Step 2: Convert to fraction form
    9,335.96/12,883.68 = 5,356.97/x
  3. Step 3: Cross multiply
    9,335.96x = 12,883.68 × 5,356.97
  4. Step 4: Simplify right side
    9,335.96x = 69,017,422.83
  5. Step 5: Solve for x
    x = 69,017,422.83/9,335.96
  6. Step 6: Final answer
    x = 7,392.65

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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.