Home / 11,525.22-15,905.16-7,556.76

Finding the Fourth Proportional to 11,525.22, 15,905.16 and 7,556.76

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Solution

The fourth proportional to 11,525.22, 15,905.16 and 7,556.76 is: 10,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.22 : 15,905.16 = 7,556.76 : x
  2. Step 2: Convert to fraction form
    11,525.22/15,905.16 = 7,556.76/x
  3. Step 3: Cross multiply
    11,525.22x = 15,905.16 × 7,556.76
  4. Step 4: Simplify right side
    11,525.22x = 120,191,476.88
  5. Step 5: Solve for x
    x = 120,191,476.88/11,525.22
  6. Step 6: Final answer
    x = 10,428.56

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Half scale
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Double scale
Find fourth proportional to 11,526.22, 15,906.54 and 7,557.76
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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.