Home / 11,109.02-16,676.55-8,770.58

Finding the Fourth Proportional to 11,109.02, 16,676.55 and 8,770.58

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Solution

The fourth proportional to 11,109.02, 16,676.55 and 8,770.58 is: 13,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.02 : 16,676.55 = 8,770.58 : x
  2. Step 2: Convert to fraction form
    11,109.02/16,676.55 = 8,770.58/x
  3. Step 3: Cross multiply
    11,109.02x = 16,676.55 × 8,770.58
  4. Step 4: Simplify right side
    11,109.02x = 146,262,995.05
  5. Step 5: Solve for x
    x = 146,262,995.05/11,109.02
  6. Step 6: Final answer
    x = 13,166.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.