Home / 10,209.76-14,090.56-5,733.28

Finding the Fourth Proportional to 10,209.76, 14,090.56 and 5,733.28

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Solution

The fourth proportional to 10,209.76, 14,090.56 and 5,733.28 is: 7,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.76 : 14,090.56 = 5,733.28 : x
  2. Step 2: Convert to fraction form
    10,209.76/14,090.56 = 5,733.28/x
  3. Step 3: Cross multiply
    10,209.76x = 14,090.56 × 5,733.28
  4. Step 4: Simplify right side
    10,209.76x = 80,785,125.84
  5. Step 5: Solve for x
    x = 80,785,125.84/10,209.76
  6. Step 6: Final answer
    x = 7,912.54

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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.