Home / 11,047.70-15,235.30-8,525.82

Finding the Fourth Proportional to 11,047.70, 15,235.30 and 8,525.82

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Solution

The fourth proportional to 11,047.70, 15,235.30 and 8,525.82 is: 11,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.70 : 15,235.30 = 8,525.82 : x
  2. Step 2: Convert to fraction form
    11,047.70/15,235.30 = 8,525.82/x
  3. Step 3: Cross multiply
    11,047.70x = 15,235.30 × 8,525.82
  4. Step 4: Simplify right side
    11,047.70x = 129,893,425.45
  5. Step 5: Solve for x
    x = 129,893,425.45/11,047.70
  6. Step 6: Final answer
    x = 11,757.51

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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.