Home / 10,329.75-15,494.49-2,538.63

Finding the Fourth Proportional to 10,329.75, 15,494.49 and 2,538.63

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Solution

The fourth proportional to 10,329.75, 15,494.49 and 2,538.63 is: 3,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.75 : 15,494.49 = 2,538.63 : x
  2. Step 2: Convert to fraction form
    10,329.75/15,494.49 = 2,538.63/x
  3. Step 3: Cross multiply
    10,329.75x = 15,494.49 × 2,538.63
  4. Step 4: Simplify right side
    10,329.75x = 39,334,777.15
  5. Step 5: Solve for x
    x = 39,334,777.15/10,329.75
  6. Step 6: Final answer
    x = 3,807.91

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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.