Home / 10,683.24-16,035.20-5,140.41

Finding the Fourth Proportional to 10,683.24, 16,035.20 and 5,140.41

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Solution

The fourth proportional to 10,683.24, 16,035.20 and 5,140.41 is: 7,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.24 : 16,035.20 = 5,140.41 : x
  2. Step 2: Convert to fraction form
    10,683.24/16,035.20 = 5,140.41/x
  3. Step 3: Cross multiply
    10,683.24x = 16,035.20 × 5,140.41
  4. Step 4: Simplify right side
    10,683.24x = 82,427,476.73
  5. Step 5: Solve for x
    x = 82,427,476.73/10,683.24
  6. Step 6: Final answer
    x = 7,715.59

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1.5x scale

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.