Home / 11,258.96-15,524.68-9,159.12

Finding the Fourth Proportional to 11,258.96, 15,524.68 and 9,159.12

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Solution

The fourth proportional to 11,258.96, 15,524.68 and 9,159.12 is: 12,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.96 : 15,524.68 = 9,159.12 : x
  2. Step 2: Convert to fraction form
    11,258.96/15,524.68 = 9,159.12/x
  3. Step 3: Cross multiply
    11,258.96x = 15,524.68 × 9,159.12
  4. Step 4: Simplify right side
    11,258.96x = 142,192,407.08
  5. Step 5: Solve for x
    x = 142,192,407.08/11,258.96
  6. Step 6: Final answer
    x = 12,629.27

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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.