Home / 9,767.44-13,478.96-5,291.08

Finding the Fourth Proportional to 9,767.44, 13,478.96 and 5,291.08

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Solution

The fourth proportional to 9,767.44, 13,478.96 and 5,291.08 is: 7,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.44 : 13,478.96 = 5,291.08 : x
  2. Step 2: Convert to fraction form
    9,767.44/13,478.96 = 5,291.08/x
  3. Step 3: Cross multiply
    9,767.44x = 13,478.96 × 5,291.08
  4. Step 4: Simplify right side
    9,767.44x = 71,318,255.68
  5. Step 5: Solve for x
    x = 71,318,255.68/9,767.44
  6. Step 6: Final answer
    x = 7,301.63

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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.