Home / 10,136.76-13,998.39-9,584.55

Finding the Fourth Proportional to 10,136.76, 13,998.39 and 9,584.55

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Solution

The fourth proportional to 10,136.76, 13,998.39 and 9,584.55 is: 13,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.76 : 13,998.39 = 9,584.55 : x
  2. Step 2: Convert to fraction form
    10,136.76/13,998.39 = 9,584.55/x
  3. Step 3: Cross multiply
    10,136.76x = 13,998.39 × 9,584.55
  4. Step 4: Simplify right side
    10,136.76x = 134,168,268.87
  5. Step 5: Solve for x
    x = 134,168,268.87/10,136.76
  6. Step 6: Final answer
    x = 13,235.81

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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.