Home / 7,543.13-11,313.12-2,861.52

Finding the Fourth Proportional to 7,543.13, 11,313.12 and 2,861.52

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Solution

The fourth proportional to 7,543.13, 11,313.12 and 2,861.52 is: 4,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.13 : 11,313.12 = 2,861.52 : x
  2. Step 2: Convert to fraction form
    7,543.13/11,313.12 = 2,861.52/x
  3. Step 3: Cross multiply
    7,543.13x = 11,313.12 × 2,861.52
  4. Step 4: Simplify right side
    7,543.13x = 32,372,719.14
  5. Step 5: Solve for x
    x = 32,372,719.14/7,543.13
  6. Step 6: Final answer
    x = 4,291.68

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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.