Home / 12,229.02-16,875.72-8,037

Finding the Fourth Proportional to 12,229.02, 16,875.72 and 8,037

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Solution

The fourth proportional to 12,229.02, 16,875.72 and 8,037 is: 11,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.02 : 16,875.72 = 8,037 : x
  2. Step 2: Convert to fraction form
    12,229.02/16,875.72 = 8,037/x
  3. Step 3: Cross multiply
    12,229.02x = 16,875.72 × 8,037
  4. Step 4: Simplify right side
    12,229.02x = 135,630,161.64
  5. Step 5: Solve for x
    x = 135,630,161.64/12,229.02
  6. Step 6: Final answer
    x = 11,090.84

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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.