Home / 11,214.54-15,476.06-6,178.75

Finding the Fourth Proportional to 11,214.54, 15,476.06 and 6,178.75

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Solution

The fourth proportional to 11,214.54, 15,476.06 and 6,178.75 is: 8,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.54 : 15,476.06 = 6,178.75 : x
  2. Step 2: Convert to fraction form
    11,214.54/15,476.06 = 6,178.75/x
  3. Step 3: Cross multiply
    11,214.54x = 15,476.06 × 6,178.75
  4. Step 4: Simplify right side
    11,214.54x = 95,622,682.48
  5. Step 5: Solve for x
    x = 95,622,682.48/11,214.54
  6. Step 6: Final answer
    x = 8,526.67

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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.