Home / 10,414.59-15,618.64-3,019.56

Finding the Fourth Proportional to 10,414.59, 15,618.64 and 3,019.56

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Solution

The fourth proportional to 10,414.59, 15,618.64 and 3,019.56 is: 4,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.59 : 15,618.64 = 3,019.56 : x
  2. Step 2: Convert to fraction form
    10,414.59/15,618.64 = 3,019.56/x
  3. Step 3: Cross multiply
    10,414.59x = 15,618.64 × 3,019.56
  4. Step 4: Simplify right side
    10,414.59x = 47,161,327.41
  5. Step 5: Solve for x
    x = 47,161,327.41/10,414.59
  6. Step 6: Final answer
    x = 4,528.39

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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.