Home / 9,555.14-13,185.82-5,305.97

Finding the Fourth Proportional to 9,555.14, 13,185.82 and 5,305.97

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Solution

The fourth proportional to 9,555.14, 13,185.82 and 5,305.97 is: 7,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.14 : 13,185.82 = 5,305.97 : x
  2. Step 2: Convert to fraction form
    9,555.14/13,185.82 = 5,305.97/x
  3. Step 3: Cross multiply
    9,555.14x = 13,185.82 × 5,305.97
  4. Step 4: Simplify right side
    9,555.14x = 69,963,565.35
  5. Step 5: Solve for x
    x = 69,963,565.35/9,555.14
  6. Step 6: Final answer
    x = 7,322.09

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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.