Home / 10,120.24-13,965.24-5,871.46

Finding the Fourth Proportional to 10,120.24, 13,965.24 and 5,871.46

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Solution

The fourth proportional to 10,120.24, 13,965.24 and 5,871.46 is: 8,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.24 : 13,965.24 = 5,871.46 : x
  2. Step 2: Convert to fraction form
    10,120.24/13,965.24 = 5,871.46/x
  3. Step 3: Cross multiply
    10,120.24x = 13,965.24 × 5,871.46
  4. Step 4: Simplify right side
    10,120.24x = 81,996,348.05
  5. Step 5: Solve for x
    x = 81,996,348.05/10,120.24
  6. Step 6: Final answer
    x = 8,102.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.