Home / 10,143.84-15,213.60-6,683.52

Finding the Fourth Proportional to 10,143.84, 15,213.60 and 6,683.52

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Solution

The fourth proportional to 10,143.84, 15,213.60 and 6,683.52 is: 10,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.84 : 15,213.60 = 6,683.52 : x
  2. Step 2: Convert to fraction form
    10,143.84/15,213.60 = 6,683.52/x
  3. Step 3: Cross multiply
    10,143.84x = 15,213.60 × 6,683.52
  4. Step 4: Simplify right side
    10,143.84x = 101,680,399.87
  5. Step 5: Solve for x
    x = 101,680,399.87/10,143.84
  6. Step 6: Final answer
    x = 10,023.86

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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.