Home / 10,080.75-13,911.44-5,664.75

Finding the Fourth Proportional to 10,080.75, 13,911.44 and 5,664.75

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Solution

The fourth proportional to 10,080.75, 13,911.44 and 5,664.75 is: 7,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.75 : 13,911.44 = 5,664.75 : x
  2. Step 2: Convert to fraction form
    10,080.75/13,911.44 = 5,664.75/x
  3. Step 3: Cross multiply
    10,080.75x = 13,911.44 × 5,664.75
  4. Step 4: Simplify right side
    10,080.75x = 78,804,801.42
  5. Step 5: Solve for x
    x = 78,804,801.42/10,080.75
  6. Step 6: Final answer
    x = 7,817.36

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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.