Home / 12,201.23-16,837.57-6,823.60

Finding the Fourth Proportional to 12,201.23, 16,837.57 and 6,823.60

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Solution

The fourth proportional to 12,201.23, 16,837.57 and 6,823.60 is: 9,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.23 : 16,837.57 = 6,823.60 : x
  2. Step 2: Convert to fraction form
    12,201.23/16,837.57 = 6,823.60/x
  3. Step 3: Cross multiply
    12,201.23x = 16,837.57 × 6,823.60
  4. Step 4: Simplify right side
    12,201.23x = 114,892,901.80
  5. Step 5: Solve for x
    x = 114,892,901.80/12,201.23
  6. Step 6: Final answer
    x = 9,416.50

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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.