Home / 9,599.87-13,243.91-6,371.21

Finding the Fourth Proportional to 9,599.87, 13,243.91 and 6,371.21

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Solution

The fourth proportional to 9,599.87, 13,243.91 and 6,371.21 is: 8,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,599.87 : 13,243.91 = 6,371.21 : x
  2. Step 2: Convert to fraction form
    9,599.87/13,243.91 = 6,371.21/x
  3. Step 3: Cross multiply
    9,599.87x = 13,243.91 × 6,371.21
  4. Step 4: Simplify right side
    9,599.87x = 84,379,731.83
  5. Step 5: Solve for x
    x = 84,379,731.83/9,599.87
  6. Step 6: Final answer
    x = 8,789.67

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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.