Home / 8,051.32-11,111.70-4,907.44

Finding the Fourth Proportional to 8,051.32, 11,111.70 and 4,907.44

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Solution

The fourth proportional to 8,051.32, 11,111.70 and 4,907.44 is: 6,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.32 : 11,111.70 = 4,907.44 : x
  2. Step 2: Convert to fraction form
    8,051.32/11,111.70 = 4,907.44/x
  3. Step 3: Cross multiply
    8,051.32x = 11,111.70 × 4,907.44
  4. Step 4: Simplify right side
    8,051.32x = 54,530,001.05
  5. Step 5: Solve for x
    x = 54,530,001.05/8,051.32
  6. Step 6: Final answer
    x = 6,772.80

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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.