Home / 11,243.90-15,513.99-6,525.38

Finding the Fourth Proportional to 11,243.90, 15,513.99 and 6,525.38

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Solution

The fourth proportional to 11,243.90, 15,513.99 and 6,525.38 is: 9,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.90 : 15,513.99 = 6,525.38 : x
  2. Step 2: Convert to fraction form
    11,243.90/15,513.99 = 6,525.38/x
  3. Step 3: Cross multiply
    11,243.90x = 15,513.99 × 6,525.38
  4. Step 4: Simplify right side
    11,243.90x = 101,234,680.07
  5. Step 5: Solve for x
    x = 101,234,680.07/11,243.90
  6. Step 6: Final answer
    x = 9,003.52

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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.