Home / 11,557.99-15,944.96-6,775.51

Finding the Fourth Proportional to 11,557.99, 15,944.96 and 6,775.51

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Solution

The fourth proportional to 11,557.99, 15,944.96 and 6,775.51 is: 9,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.99 : 15,944.96 = 6,775.51 : x
  2. Step 2: Convert to fraction form
    11,557.99/15,944.96 = 6,775.51/x
  3. Step 3: Cross multiply
    11,557.99x = 15,944.96 × 6,775.51
  4. Step 4: Simplify right side
    11,557.99x = 108,035,213.01
  5. Step 5: Solve for x
    x = 108,035,213.01/11,557.99
  6. Step 6: Final answer
    x = 9,347.23

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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.