Home / 11,556.47-15,942.86-6,773.99

Finding the Fourth Proportional to 11,556.47, 15,942.86 and 6,773.99

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Solution

The fourth proportional to 11,556.47, 15,942.86 and 6,773.99 is: 9,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.47 : 15,942.86 = 6,773.99 : x
  2. Step 2: Convert to fraction form
    11,556.47/15,942.86 = 6,773.99/x
  3. Step 3: Cross multiply
    11,556.47x = 15,942.86 × 6,773.99
  4. Step 4: Simplify right side
    11,556.47x = 107,996,677.56
  5. Step 5: Solve for x
    x = 107,996,677.56/11,556.47
  6. Step 6: Final answer
    x = 9,345.13

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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.