Home / 11,557.47-15,944.24-6,774.99

Finding the Fourth Proportional to 11,557.47, 15,944.24 and 6,774.99

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Solution

The fourth proportional to 11,557.47, 15,944.24 and 6,774.99 is: 9,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.47 : 15,944.24 = 6,774.99 : x
  2. Step 2: Convert to fraction form
    11,557.47/15,944.24 = 6,774.99/x
  3. Step 3: Cross multiply
    11,557.47x = 15,944.24 × 6,774.99
  4. Step 4: Simplify right side
    11,557.47x = 108,022,066.56
  5. Step 5: Solve for x
    x = 108,022,066.56/11,557.47
  6. Step 6: Final answer
    x = 9,346.51

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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.