Home / 11,039.14-15,208.45-9,038.17

Finding the Fourth Proportional to 11,039.14, 15,208.45 and 9,038.17

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Solution

The fourth proportional to 11,039.14, 15,208.45 and 9,038.17 is: 12,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.14 : 15,208.45 = 9,038.17 : x
  2. Step 2: Convert to fraction form
    11,039.14/15,208.45 = 9,038.17/x
  3. Step 3: Cross multiply
    11,039.14x = 15,208.45 × 9,038.17
  4. Step 4: Simplify right side
    11,039.14x = 137,456,556.54
  5. Step 5: Solve for x
    x = 137,456,556.54/11,039.14
  6. Step 6: Final answer
    x = 12,451.75

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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.