Home / 10,263.12-14,161.44-5,786.28

Finding the Fourth Proportional to 10,263.12, 14,161.44 and 5,786.28

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Solution

The fourth proportional to 10,263.12, 14,161.44 and 5,786.28 is: 7,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.12 : 14,161.44 = 5,786.28 : x
  2. Step 2: Convert to fraction form
    10,263.12/14,161.44 = 5,786.28/x
  3. Step 3: Cross multiply
    10,263.12x = 14,161.44 × 5,786.28
  4. Step 4: Simplify right side
    10,263.12x = 81,942,057.04
  5. Step 5: Solve for x
    x = 81,942,057.04/10,263.12
  6. Step 6: Final answer
    x = 7,984.13

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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.