Home / 9,555.74-13,185.92-5,306.33

Finding the Fourth Proportional to 9,555.74, 13,185.92 and 5,306.33

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Solution

The fourth proportional to 9,555.74, 13,185.92 and 5,306.33 is: 7,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.74 : 13,185.92 = 5,306.33 : x
  2. Step 2: Convert to fraction form
    9,555.74/13,185.92 = 5,306.33/x
  3. Step 3: Cross multiply
    9,555.74x = 13,185.92 × 5,306.33
  4. Step 4: Simplify right side
    9,555.74x = 69,968,889.10
  5. Step 5: Solve for x
    x = 69,968,889.10/9,555.74
  6. Step 6: Final answer
    x = 7,322.19

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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.