Home / 10,360.25-14,302.55-8,086.70

Finding the Fourth Proportional to 10,360.25, 14,302.55 and 8,086.70

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Solution

The fourth proportional to 10,360.25, 14,302.55 and 8,086.70 is: 11,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.25 : 14,302.55 = 8,086.70 : x
  2. Step 2: Convert to fraction form
    10,360.25/14,302.55 = 8,086.70/x
  3. Step 3: Cross multiply
    10,360.25x = 14,302.55 × 8,086.70
  4. Step 4: Simplify right side
    10,360.25x = 115,660,426.41
  5. Step 5: Solve for x
    x = 115,660,426.41/10,360.25
  6. Step 6: Final answer
    x = 11,163.87

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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.