Home / 11,258.56-16,888.96-9,198.08

Finding the Fourth Proportional to 11,258.56, 16,888.96 and 9,198.08

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Solution

The fourth proportional to 11,258.56, 16,888.96 and 9,198.08 is: 13,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.56 : 16,888.96 = 9,198.08 : x
  2. Step 2: Convert to fraction form
    11,258.56/16,888.96 = 9,198.08/x
  3. Step 3: Cross multiply
    11,258.56x = 16,888.96 × 9,198.08
  4. Step 4: Simplify right side
    11,258.56x = 155,346,005.20
  5. Step 5: Solve for x
    x = 155,346,005.20/11,258.56
  6. Step 6: Final answer
    x = 13,798.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.