Home / 10,274.94-15,399.62-4,722.38

Finding the Fourth Proportional to 10,274.94, 15,399.62 and 4,722.38

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Solution

The fourth proportional to 10,274.94, 15,399.62 and 4,722.38 is: 7,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.94 : 15,399.62 = 4,722.38 : x
  2. Step 2: Convert to fraction form
    10,274.94/15,399.62 = 4,722.38/x
  3. Step 3: Cross multiply
    10,274.94x = 15,399.62 × 4,722.38
  4. Step 4: Simplify right side
    10,274.94x = 72,722,857.50
  5. Step 5: Solve for x
    x = 72,722,857.50/10,274.94
  6. Step 6: Final answer
    x = 7,077.69

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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.