Home / 10,426.25-15,639.48-2,635.07

Finding the Fourth Proportional to 10,426.25, 15,639.48 and 2,635.07

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Solution

The fourth proportional to 10,426.25, 15,639.48 and 2,635.07 is: 3,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.25 : 15,639.48 = 2,635.07 : x
  2. Step 2: Convert to fraction form
    10,426.25/15,639.48 = 2,635.07/x
  3. Step 3: Cross multiply
    10,426.25x = 15,639.48 × 2,635.07
  4. Step 4: Simplify right side
    10,426.25x = 41,211,124.56
  5. Step 5: Solve for x
    x = 41,211,124.56/10,426.25
  6. Step 6: Final answer
    x = 3,952.63

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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.