Home / 11,313.27-15,631.08-8,941.41

Finding the Fourth Proportional to 11,313.27, 15,631.08 and 8,941.41

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Solution

The fourth proportional to 11,313.27, 15,631.08 and 8,941.41 is: 12,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.27 : 15,631.08 = 8,941.41 : x
  2. Step 2: Convert to fraction form
    11,313.27/15,631.08 = 8,941.41/x
  3. Step 3: Cross multiply
    11,313.27x = 15,631.08 × 8,941.41
  4. Step 4: Simplify right side
    11,313.27x = 139,763,895.02
  5. Step 5: Solve for x
    x = 139,763,895.02/11,313.27
  6. Step 6: Final answer
    x = 12,353.98

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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.