Home / 10,474.82-15,714.56-3,457.01

Finding the Fourth Proportional to 10,474.82, 15,714.56 and 3,457.01

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Solution

The fourth proportional to 10,474.82, 15,714.56 and 3,457.01 is: 5,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.82 : 15,714.56 = 3,457.01 : x
  2. Step 2: Convert to fraction form
    10,474.82/15,714.56 = 3,457.01/x
  3. Step 3: Cross multiply
    10,474.82x = 15,714.56 × 3,457.01
  4. Step 4: Simplify right side
    10,474.82x = 54,325,391.07
  5. Step 5: Solve for x
    x = 54,325,391.07/10,474.82
  6. Step 6: Final answer
    x = 5,186.28

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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.