Home / 8,813.16-12,163.17-5,276.37

Finding the Fourth Proportional to 8,813.16, 12,163.17 and 5,276.37

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Solution

The fourth proportional to 8,813.16, 12,163.17 and 5,276.37 is: 7,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.16 : 12,163.17 = 5,276.37 : x
  2. Step 2: Convert to fraction form
    8,813.16/12,163.17 = 5,276.37/x
  3. Step 3: Cross multiply
    8,813.16x = 12,163.17 × 5,276.37
  4. Step 4: Simplify right side
    8,813.16x = 64,177,385.29
  5. Step 5: Solve for x
    x = 64,177,385.29/8,813.16
  6. Step 6: Final answer
    x = 7,281.99

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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.