Home / 11,214.12-15,475.86-6,178.92

Finding the Fourth Proportional to 11,214.12, 15,475.86 and 6,178.92

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Solution

The fourth proportional to 11,214.12, 15,475.86 and 6,178.92 is: 8,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.12 : 15,475.86 = 6,178.92 : x
  2. Step 2: Convert to fraction form
    11,214.12/15,475.86 = 6,178.92/x
  3. Step 3: Cross multiply
    11,214.12x = 15,475.86 × 6,178.92
  4. Step 4: Simplify right side
    11,214.12x = 95,624,100.87
  5. Step 5: Solve for x
    x = 95,624,100.87/11,214.12
  6. Step 6: Final answer
    x = 8,527.12

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Double scale
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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.