Home / 10,102.12-13,945.43-6,277.26

Finding the Fourth Proportional to 10,102.12, 13,945.43 and 6,277.26

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Solution

The fourth proportional to 10,102.12, 13,945.43 and 6,277.26 is: 8,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.12 : 13,945.43 = 6,277.26 : x
  2. Step 2: Convert to fraction form
    10,102.12/13,945.43 = 6,277.26/x
  3. Step 3: Cross multiply
    10,102.12x = 13,945.43 × 6,277.26
  4. Step 4: Simplify right side
    10,102.12x = 87,539,072.60
  5. Step 5: Solve for x
    x = 87,539,072.60/10,102.12
  6. Step 6: Final answer
    x = 8,665.42

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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.