Home / 11,097.08-15,313.26-6,381.56

Finding the Fourth Proportional to 11,097.08, 15,313.26 and 6,381.56

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Solution

The fourth proportional to 11,097.08, 15,313.26 and 6,381.56 is: 8,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.08 : 15,313.26 = 6,381.56 : x
  2. Step 2: Convert to fraction form
    11,097.08/15,313.26 = 6,381.56/x
  3. Step 3: Cross multiply
    11,097.08x = 15,313.26 × 6,381.56
  4. Step 4: Simplify right side
    11,097.08x = 97,722,487.49
  5. Step 5: Solve for x
    x = 97,722,487.49/11,097.08
  6. Step 6: Final answer
    x = 8,806.14

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1.5x scale

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.