Home / 10,891.82-15,025.56-7,356.26

Finding the Fourth Proportional to 10,891.82, 15,025.56 and 7,356.26

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Solution

The fourth proportional to 10,891.82, 15,025.56 and 7,356.26 is: 10,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.82 : 15,025.56 = 7,356.26 : x
  2. Step 2: Convert to fraction form
    10,891.82/15,025.56 = 7,356.26/x
  3. Step 3: Cross multiply
    10,891.82x = 15,025.56 × 7,356.26
  4. Step 4: Simplify right side
    10,891.82x = 110,531,926.01
  5. Step 5: Solve for x
    x = 110,531,926.01/10,891.82
  6. Step 6: Final answer
    x = 10,148.16

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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.