Home / 11,528.97-17,290.68-5,285.08

Finding the Fourth Proportional to 11,528.97, 17,290.68 and 5,285.08

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Solution

The fourth proportional to 11,528.97, 17,290.68 and 5,285.08 is: 7,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.97 : 17,290.68 = 5,285.08 : x
  2. Step 2: Convert to fraction form
    11,528.97/17,290.68 = 5,285.08/x
  3. Step 3: Cross multiply
    11,528.97x = 17,290.68 × 5,285.08
  4. Step 4: Simplify right side
    11,528.97x = 91,382,627.05
  5. Step 5: Solve for x
    x = 91,382,627.05/11,528.97
  6. Step 6: Final answer
    x = 7,926.35

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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.