Home / 11,042.84-15,232.38-7,893.56

Finding the Fourth Proportional to 11,042.84, 15,232.38 and 7,893.56

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Solution

The fourth proportional to 11,042.84, 15,232.38 and 7,893.56 is: 10,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.84 : 15,232.38 = 7,893.56 : x
  2. Step 2: Convert to fraction form
    11,042.84/15,232.38 = 7,893.56/x
  3. Step 3: Cross multiply
    11,042.84x = 15,232.38 × 7,893.56
  4. Step 4: Simplify right side
    11,042.84x = 120,237,705.47
  5. Step 5: Solve for x
    x = 120,237,705.47/11,042.84
  6. Step 6: Final answer
    x = 10,888.30

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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.