Home / 7,534.19-11,305.31-5,672.51

Finding the Fourth Proportional to 7,534.19, 11,305.31 and 5,672.51

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Solution

The fourth proportional to 7,534.19, 11,305.31 and 5,672.51 is: 8,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.19 : 11,305.31 = 5,672.51 : x
  2. Step 2: Convert to fraction form
    7,534.19/11,305.31 = 5,672.51/x
  3. Step 3: Cross multiply
    7,534.19x = 11,305.31 × 5,672.51
  4. Step 4: Simplify right side
    7,534.19x = 64,129,399.14
  5. Step 5: Solve for x
    x = 64,129,399.14/7,534.19
  6. Step 6: Final answer
    x = 8,511.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.