Home / 11,052.15-16,557.36-8,557.62

Finding the Fourth Proportional to 11,052.15, 16,557.36 and 8,557.62

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Solution

The fourth proportional to 11,052.15, 16,557.36 and 8,557.62 is: 12,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.15 : 16,557.36 = 8,557.62 : x
  2. Step 2: Convert to fraction form
    11,052.15/16,557.36 = 8,557.62/x
  3. Step 3: Cross multiply
    11,052.15x = 16,557.36 × 8,557.62
  4. Step 4: Simplify right side
    11,052.15x = 141,691,595.08
  5. Step 5: Solve for x
    x = 141,691,595.08/11,052.15
  6. Step 6: Final answer
    x = 12,820.27

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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.