Home / 10,349.80-15,519.03-4,103.49

Finding the Fourth Proportional to 10,349.80, 15,519.03 and 4,103.49

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Solution

The fourth proportional to 10,349.80, 15,519.03 and 4,103.49 is: 6,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.80 : 15,519.03 = 4,103.49 : x
  2. Step 2: Convert to fraction form
    10,349.80/15,519.03 = 4,103.49/x
  3. Step 3: Cross multiply
    10,349.80x = 15,519.03 × 4,103.49
  4. Step 4: Simplify right side
    10,349.80x = 63,682,184.41
  5. Step 5: Solve for x
    x = 63,682,184.41/10,349.80
  6. Step 6: Final answer
    x = 6,152.99

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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.