Home / 10,533.53-15,800.29-3,137.80

Finding the Fourth Proportional to 10,533.53, 15,800.29 and 3,137.80

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Solution

The fourth proportional to 10,533.53, 15,800.29 and 3,137.80 is: 4,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.53 : 15,800.29 = 3,137.80 : x
  2. Step 2: Convert to fraction form
    10,533.53/15,800.29 = 3,137.80/x
  3. Step 3: Cross multiply
    10,533.53x = 15,800.29 × 3,137.80
  4. Step 4: Simplify right side
    10,533.53x = 49,578,149.89
  5. Step 5: Solve for x
    x = 49,578,149.89/10,533.53
  6. Step 6: Final answer
    x = 4,706.70

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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.