Home / 10,072.53-15,100.47-4,446.20

Finding the Fourth Proportional to 10,072.53, 15,100.47 and 4,446.20

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Solution

The fourth proportional to 10,072.53, 15,100.47 and 4,446.20 is: 6,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.53 : 15,100.47 = 4,446.20 : x
  2. Step 2: Convert to fraction form
    10,072.53/15,100.47 = 4,446.20/x
  3. Step 3: Cross multiply
    10,072.53x = 15,100.47 × 4,446.20
  4. Step 4: Simplify right side
    10,072.53x = 67,139,634.21
  5. Step 5: Solve for x
    x = 67,139,634.21/10,072.53
  6. Step 6: Final answer
    x = 6,665.62

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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.