Home / 11,188.53-16,783.45-4,612.44

Finding the Fourth Proportional to 11,188.53, 16,783.45 and 4,612.44

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Solution

The fourth proportional to 11,188.53, 16,783.45 and 4,612.44 is: 6,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.53 : 16,783.45 = 4,612.44 : x
  2. Step 2: Convert to fraction form
    11,188.53/16,783.45 = 4,612.44/x
  3. Step 3: Cross multiply
    11,188.53x = 16,783.45 × 4,612.44
  4. Step 4: Simplify right side
    11,188.53x = 77,412,633.06
  5. Step 5: Solve for x
    x = 77,412,633.06/11,188.53
  6. Step 6: Final answer
    x = 6,918.93

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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.