Home / 12,201.35-16,847.40-9,364.23

Finding the Fourth Proportional to 12,201.35, 16,847.40 and 9,364.23

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Solution

The fourth proportional to 12,201.35, 16,847.40 and 9,364.23 is: 12,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.35 : 16,847.40 = 9,364.23 : x
  2. Step 2: Convert to fraction form
    12,201.35/16,847.40 = 9,364.23/x
  3. Step 3: Cross multiply
    12,201.35x = 16,847.40 × 9,364.23
  4. Step 4: Simplify right side
    12,201.35x = 157,762,928.50
  5. Step 5: Solve for x
    x = 157,762,928.50/12,201.35
  6. Step 6: Final answer
    x = 12,929.96

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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.