Home / 11,375.24-15,705.09-10,822.82

Finding the Fourth Proportional to 11,375.24, 15,705.09 and 10,822.82

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Solution

The fourth proportional to 11,375.24, 15,705.09 and 10,822.82 is: 14,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.24 : 15,705.09 = 10,822.82 : x
  2. Step 2: Convert to fraction form
    11,375.24/15,705.09 = 10,822.82/x
  3. Step 3: Cross multiply
    11,375.24x = 15,705.09 × 10,822.82
  4. Step 4: Simplify right side
    11,375.24x = 169,973,283.63
  5. Step 5: Solve for x
    x = 169,973,283.63/11,375.24
  6. Step 6: Final answer
    x = 14,942.40

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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.