Home / 8,540.09-11,784.96-6,301.16

Finding the Fourth Proportional to 8,540.09, 11,784.96 and 6,301.16

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Solution

The fourth proportional to 8,540.09, 11,784.96 and 6,301.16 is: 8,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.09 : 11,784.96 = 6,301.16 : x
  2. Step 2: Convert to fraction form
    8,540.09/11,784.96 = 6,301.16/x
  3. Step 3: Cross multiply
    8,540.09x = 11,784.96 × 6,301.16
  4. Step 4: Simplify right side
    8,540.09x = 74,258,918.55
  5. Step 5: Solve for x
    x = 74,258,918.55/8,540.09
  6. Step 6: Final answer
    x = 8,695.33

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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.