Home / 10,124.94-15,184.96-5,192.04

Finding the Fourth Proportional to 10,124.94, 15,184.96 and 5,192.04

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Solution

The fourth proportional to 10,124.94, 15,184.96 and 5,192.04 is: 7,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.94 : 15,184.96 = 5,192.04 : x
  2. Step 2: Convert to fraction form
    10,124.94/15,184.96 = 5,192.04/x
  3. Step 3: Cross multiply
    10,124.94x = 15,184.96 × 5,192.04
  4. Step 4: Simplify right side
    10,124.94x = 78,840,919.72
  5. Step 5: Solve for x
    x = 78,840,919.72/10,124.94
  6. Step 6: Final answer
    x = 7,786.80

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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.