Home / 8,114.30-11,199.75-4,927.94

Finding the Fourth Proportional to 8,114.30, 11,199.75 and 4,927.94

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Solution

The fourth proportional to 8,114.30, 11,199.75 and 4,927.94 is: 6,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.30 : 11,199.75 = 4,927.94 : x
  2. Step 2: Convert to fraction form
    8,114.30/11,199.75 = 4,927.94/x
  3. Step 3: Cross multiply
    8,114.30x = 11,199.75 × 4,927.94
  4. Step 4: Simplify right side
    8,114.30x = 55,191,696.02
  5. Step 5: Solve for x
    x = 55,191,696.02/8,114.30
  6. Step 6: Final answer
    x = 6,801.78

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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.