Home / 9,140.37-12,613.96-5,162.08

Finding the Fourth Proportional to 9,140.37, 12,613.96 and 5,162.08

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Solution

The fourth proportional to 9,140.37, 12,613.96 and 5,162.08 is: 7,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.37 : 12,613.96 = 5,162.08 : x
  2. Step 2: Convert to fraction form
    9,140.37/12,613.96 = 5,162.08/x
  3. Step 3: Cross multiply
    9,140.37x = 12,613.96 × 5,162.08
  4. Step 4: Simplify right side
    9,140.37x = 65,114,207.57
  5. Step 5: Solve for x
    x = 65,114,207.57/9,140.37
  6. Step 6: Final answer
    x = 7,123.81

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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.