Home / 11,545.53-15,932.82-6,240.34

Finding the Fourth Proportional to 11,545.53, 15,932.82 and 6,240.34

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Solution

The fourth proportional to 11,545.53, 15,932.82 and 6,240.34 is: 8,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.53 : 15,932.82 = 6,240.34 : x
  2. Step 2: Convert to fraction form
    11,545.53/15,932.82 = 6,240.34/x
  3. Step 3: Cross multiply
    11,545.53x = 15,932.82 × 6,240.34
  4. Step 4: Simplify right side
    11,545.53x = 99,426,257.28
  5. Step 5: Solve for x
    x = 99,426,257.28/11,545.53
  6. Step 6: Final answer
    x = 8,611.67

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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.