Home / 10,190.59-15,283.32-3,948.46

Finding the Fourth Proportional to 10,190.59, 15,283.32 and 3,948.46

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Solution

The fourth proportional to 10,190.59, 15,283.32 and 3,948.46 is: 5,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.59 : 15,283.32 = 3,948.46 : x
  2. Step 2: Convert to fraction form
    10,190.59/15,283.32 = 3,948.46/x
  3. Step 3: Cross multiply
    10,190.59x = 15,283.32 × 3,948.46
  4. Step 4: Simplify right side
    10,190.59x = 60,345,577.69
  5. Step 5: Solve for x
    x = 60,345,577.69/10,190.59
  6. Step 6: Final answer
    x = 5,921.70

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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.