Home / 11,525.50-15,906.30-7,548.76

Finding the Fourth Proportional to 11,525.50, 15,906.30 and 7,548.76

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Solution

The fourth proportional to 11,525.50, 15,906.30 and 7,548.76 is: 10,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.50 : 15,906.30 = 7,548.76 : x
  2. Step 2: Convert to fraction form
    11,525.50/15,906.30 = 7,548.76/x
  3. Step 3: Cross multiply
    11,525.50x = 15,906.30 × 7,548.76
  4. Step 4: Simplify right side
    11,525.50x = 120,072,841.19
  5. Step 5: Solve for x
    x = 120,072,841.19/11,525.50
  6. Step 6: Final answer
    x = 10,418.02

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Half scale
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Double scale
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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.