Home / 12,580.96-17,365.71-8,600.62

Finding the Fourth Proportional to 12,580.96, 17,365.71 and 8,600.62

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Solution

The fourth proportional to 12,580.96, 17,365.71 and 8,600.62 is: 11,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.96 : 17,365.71 = 8,600.62 : x
  2. Step 2: Convert to fraction form
    12,580.96/17,365.71 = 8,600.62/x
  3. Step 3: Cross multiply
    12,580.96x = 17,365.71 × 8,600.62
  4. Step 4: Simplify right side
    12,580.96x = 149,355,872.74
  5. Step 5: Solve for x
    x = 149,355,872.74/12,580.96
  6. Step 6: Final answer
    x = 11,871.58

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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.