Home / 9,767.54-13,479.18-5,291.29

Finding the Fourth Proportional to 9,767.54, 13,479.18 and 5,291.29

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Solution

The fourth proportional to 9,767.54, 13,479.18 and 5,291.29 is: 7,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.54 : 13,479.18 = 5,291.29 : x
  2. Step 2: Convert to fraction form
    9,767.54/13,479.18 = 5,291.29/x
  3. Step 3: Cross multiply
    9,767.54x = 13,479.18 × 5,291.29
  4. Step 4: Simplify right side
    9,767.54x = 71,322,207.04
  5. Step 5: Solve for x
    x = 71,322,207.04/9,767.54
  6. Step 6: Final answer
    x = 7,301.96

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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.