Home / 10,021.05-13,828.95-5,989.73

Finding the Fourth Proportional to 10,021.05, 13,828.95 and 5,989.73

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Solution

The fourth proportional to 10,021.05, 13,828.95 and 5,989.73 is: 8,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.05 : 13,828.95 = 5,989.73 : x
  2. Step 2: Convert to fraction form
    10,021.05/13,828.95 = 5,989.73/x
  3. Step 3: Cross multiply
    10,021.05x = 13,828.95 × 5,989.73
  4. Step 4: Simplify right side
    10,021.05x = 82,831,607.54
  5. Step 5: Solve for x
    x = 82,831,607.54/10,021.05
  6. Step 6: Final answer
    x = 8,265.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.