Home / 11,501.62-17,243.79-5,655.22

Finding the Fourth Proportional to 11,501.62, 17,243.79 and 5,655.22

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Solution

The fourth proportional to 11,501.62, 17,243.79 and 5,655.22 is: 8,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.62 : 17,243.79 = 5,655.22 : x
  2. Step 2: Convert to fraction form
    11,501.62/17,243.79 = 5,655.22/x
  3. Step 3: Cross multiply
    11,501.62x = 17,243.79 × 5,655.22
  4. Step 4: Simplify right side
    11,501.62x = 97,517,426.08
  5. Step 5: Solve for x
    x = 97,517,426.08/11,501.62
  6. Step 6: Final answer
    x = 8,478.58

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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.