Home / 10,252.14-15,376.47-2,857.33

Finding the Fourth Proportional to 10,252.14, 15,376.47 and 2,857.33

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Solution

The fourth proportional to 10,252.14, 15,376.47 and 2,857.33 is: 4,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.14 : 15,376.47 = 2,857.33 : x
  2. Step 2: Convert to fraction form
    10,252.14/15,376.47 = 2,857.33/x
  3. Step 3: Cross multiply
    10,252.14x = 15,376.47 × 2,857.33
  4. Step 4: Simplify right side
    10,252.14x = 43,935,649.03
  5. Step 5: Solve for x
    x = 43,935,649.03/10,252.14
  6. Step 6: Final answer
    x = 4,285.51

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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.