Home / 10,775.60-16,163.40-2,983.76

Finding the Fourth Proportional to 10,775.60, 16,163.40 and 2,983.76

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Solution

The fourth proportional to 10,775.60, 16,163.40 and 2,983.76 is: 4,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.60 : 16,163.40 = 2,983.76 : x
  2. Step 2: Convert to fraction form
    10,775.60/16,163.40 = 2,983.76/x
  3. Step 3: Cross multiply
    10,775.60x = 16,163.40 × 2,983.76
  4. Step 4: Simplify right side
    10,775.60x = 48,227,706.38
  5. Step 5: Solve for x
    x = 48,227,706.38/10,775.60
  6. Step 6: Final answer
    x = 4,475.64

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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.