Home / 10,202.26-15,290.70-4,654.12

Finding the Fourth Proportional to 10,202.26, 15,290.70 and 4,654.12

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Solution

The fourth proportional to 10,202.26, 15,290.70 and 4,654.12 is: 6,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.26 : 15,290.70 = 4,654.12 : x
  2. Step 2: Convert to fraction form
    10,202.26/15,290.70 = 4,654.12/x
  3. Step 3: Cross multiply
    10,202.26x = 15,290.70 × 4,654.12
  4. Step 4: Simplify right side
    10,202.26x = 71,164,752.68
  5. Step 5: Solve for x
    x = 71,164,752.68/10,202.26
  6. Step 6: Final answer
    x = 6,975.39

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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.