Home / 11,207.71-15,472.86-6,732.56

Finding the Fourth Proportional to 11,207.71, 15,472.86 and 6,732.56

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Solution

The fourth proportional to 11,207.71, 15,472.86 and 6,732.56 is: 9,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.71 : 15,472.86 = 6,732.56 : x
  2. Step 2: Convert to fraction form
    11,207.71/15,472.86 = 6,732.56/x
  3. Step 3: Cross multiply
    11,207.71x = 15,472.86 × 6,732.56
  4. Step 4: Simplify right side
    11,207.71x = 104,171,971.76
  5. Step 5: Solve for x
    x = 104,171,971.76/11,207.71
  6. Step 6: Final answer
    x = 9,294.67

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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.