Home / 11,177.02-16,762.74-3,385.72

Finding the Fourth Proportional to 11,177.02, 16,762.74 and 3,385.72

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Solution

The fourth proportional to 11,177.02, 16,762.74 and 3,385.72 is: 5,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.02 : 16,762.74 = 3,385.72 : x
  2. Step 2: Convert to fraction form
    11,177.02/16,762.74 = 3,385.72/x
  3. Step 3: Cross multiply
    11,177.02x = 16,762.74 × 3,385.72
  4. Step 4: Simplify right side
    11,177.02x = 56,753,944.07
  5. Step 5: Solve for x
    x = 56,753,944.07/11,177.02
  6. Step 6: Final answer
    x = 5,077.73

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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.