Home / 9,767.84-13,479.51-5,291.33

Finding the Fourth Proportional to 9,767.84, 13,479.51 and 5,291.33

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Solution

The fourth proportional to 9,767.84, 13,479.51 and 5,291.33 is: 7,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.84 : 13,479.51 = 5,291.33 : x
  2. Step 2: Convert to fraction form
    9,767.84/13,479.51 = 5,291.33/x
  3. Step 3: Cross multiply
    9,767.84x = 13,479.51 × 5,291.33
  4. Step 4: Simplify right side
    9,767.84x = 71,324,468.25
  5. Step 5: Solve for x
    x = 71,324,468.25/9,767.84
  6. Step 6: Final answer
    x = 7,301.97

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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.