Home / 10,603.12-15,893.60-3,580.70

Finding the Fourth Proportional to 10,603.12, 15,893.60 and 3,580.70

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Solution

The fourth proportional to 10,603.12, 15,893.60 and 3,580.70 is: 5,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.12 : 15,893.60 = 3,580.70 : x
  2. Step 2: Convert to fraction form
    10,603.12/15,893.60 = 3,580.70/x
  3. Step 3: Cross multiply
    10,603.12x = 15,893.60 × 3,580.70
  4. Step 4: Simplify right side
    10,603.12x = 56,910,202.60
  5. Step 5: Solve for x
    x = 56,910,202.60/10,603.12
  6. Step 6: Final answer
    x = 5,367.31

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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.