Home / 11,553.29-15,944.28-6,515.67

Finding the Fourth Proportional to 11,553.29, 15,944.28 and 6,515.67

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Solution

The fourth proportional to 11,553.29, 15,944.28 and 6,515.67 is: 8,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.29 : 15,944.28 = 6,515.67 : x
  2. Step 2: Convert to fraction form
    11,553.29/15,944.28 = 6,515.67/x
  3. Step 3: Cross multiply
    11,553.29x = 15,944.28 × 6,515.67
  4. Step 4: Simplify right side
    11,553.29x = 103,887,706.73
  5. Step 5: Solve for x
    x = 103,887,706.73/11,553.29
  6. Step 6: Final answer
    x = 8,992.05

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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.