Home / 12,180.02-16,837-8,673.52

Finding the Fourth Proportional to 12,180.02, 16,837 and 8,673.52

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Solution

The fourth proportional to 12,180.02, 16,837 and 8,673.52 is: 11,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.02 : 16,837 = 8,673.52 : x
  2. Step 2: Convert to fraction form
    12,180.02/16,837 = 8,673.52/x
  3. Step 3: Cross multiply
    12,180.02x = 16,837 × 8,673.52
  4. Step 4: Simplify right side
    12,180.02x = 146,036,056.24
  5. Step 5: Solve for x
    x = 146,036,056.24/12,180.02
  6. Step 6: Final answer
    x = 11,989.80

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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.