Home / 11,749.69-16,199.58-8,567.61

Finding the Fourth Proportional to 11,749.69, 16,199.58 and 8,567.61

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Solution

The fourth proportional to 11,749.69, 16,199.58 and 8,567.61 is: 11,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.69 : 16,199.58 = 8,567.61 : x
  2. Step 2: Convert to fraction form
    11,749.69/16,199.58 = 8,567.61/x
  3. Step 3: Cross multiply
    11,749.69x = 16,199.58 × 8,567.61
  4. Step 4: Simplify right side
    11,749.69x = 138,791,683.60
  5. Step 5: Solve for x
    x = 138,791,683.60/11,749.69
  6. Step 6: Final answer
    x = 11,812.37

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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.