Home / 10,731.59-16,099.70-4,406.48

Finding the Fourth Proportional to 10,731.59, 16,099.70 and 4,406.48

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Solution

The fourth proportional to 10,731.59, 16,099.70 and 4,406.48 is: 6,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.59 : 16,099.70 = 4,406.48 : x
  2. Step 2: Convert to fraction form
    10,731.59/16,099.70 = 4,406.48/x
  3. Step 3: Cross multiply
    10,731.59x = 16,099.70 × 4,406.48
  4. Step 4: Simplify right side
    10,731.59x = 70,942,903.53
  5. Step 5: Solve for x
    x = 70,942,903.53/10,731.59
  6. Step 6: Final answer
    x = 6,610.66

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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.