Home / 11,039.14-15,219.09-7,496.20

Finding the Fourth Proportional to 11,039.14, 15,219.09 and 7,496.20

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Solution

The fourth proportional to 11,039.14, 15,219.09 and 7,496.20 is: 10,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.14 : 15,219.09 = 7,496.20 : x
  2. Step 2: Convert to fraction form
    11,039.14/15,219.09 = 7,496.20/x
  3. Step 3: Cross multiply
    11,039.14x = 15,219.09 × 7,496.20
  4. Step 4: Simplify right side
    11,039.14x = 114,085,342.46
  5. Step 5: Solve for x
    x = 114,085,342.46/11,039.14
  6. Step 6: Final answer
    x = 10,334.62

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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.