Home / 10,099.50-13,938.39-6,563.58

Finding the Fourth Proportional to 10,099.50, 13,938.39 and 6,563.58

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Solution

The fourth proportional to 10,099.50, 13,938.39 and 6,563.58 is: 9,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.50 : 13,938.39 = 6,563.58 : x
  2. Step 2: Convert to fraction form
    10,099.50/13,938.39 = 6,563.58/x
  3. Step 3: Cross multiply
    10,099.50x = 13,938.39 × 6,563.58
  4. Step 4: Simplify right side
    10,099.50x = 91,485,737.84
  5. Step 5: Solve for x
    x = 91,485,737.84/10,099.50
  6. Step 6: Final answer
    x = 9,058.44

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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.