Home / 10,322.38-15,485.81-3,396.62

Finding the Fourth Proportional to 10,322.38, 15,485.81 and 3,396.62

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Solution

The fourth proportional to 10,322.38, 15,485.81 and 3,396.62 is: 5,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.38 : 15,485.81 = 3,396.62 : x
  2. Step 2: Convert to fraction form
    10,322.38/15,485.81 = 3,396.62/x
  3. Step 3: Cross multiply
    10,322.38x = 15,485.81 × 3,396.62
  4. Step 4: Simplify right side
    10,322.38x = 52,599,411.96
  5. Step 5: Solve for x
    x = 52,599,411.96/10,322.38
  6. Step 6: Final answer
    x = 5,095.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.