Home / 10,263.36-14,163.38-5,787.15

Finding the Fourth Proportional to 10,263.36, 14,163.38 and 5,787.15

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Solution

The fourth proportional to 10,263.36, 14,163.38 and 5,787.15 is: 7,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.36 : 14,163.38 = 5,787.15 : x
  2. Step 2: Convert to fraction form
    10,263.36/14,163.38 = 5,787.15/x
  3. Step 3: Cross multiply
    10,263.36x = 14,163.38 × 5,787.15
  4. Step 4: Simplify right side
    10,263.36x = 81,965,656.44
  5. Step 5: Solve for x
    x = 81,965,656.44/10,263.36
  6. Step 6: Final answer
    x = 7,986.24

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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.