Home / 10,933.58-15,070.19-7,742.79

Finding the Fourth Proportional to 10,933.58, 15,070.19 and 7,742.79

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Solution

The fourth proportional to 10,933.58, 15,070.19 and 7,742.79 is: 10,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.58 : 15,070.19 = 7,742.79 : x
  2. Step 2: Convert to fraction form
    10,933.58/15,070.19 = 7,742.79/x
  3. Step 3: Cross multiply
    10,933.58x = 15,070.19 × 7,742.79
  4. Step 4: Simplify right side
    10,933.58x = 116,685,277.72
  5. Step 5: Solve for x
    x = 116,685,277.72/10,933.58
  6. Step 6: Final answer
    x = 10,672.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.