Home / 9,964.13-13,749.29-5,714.97

Finding the Fourth Proportional to 9,964.13, 13,749.29 and 5,714.97

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Solution

The fourth proportional to 9,964.13, 13,749.29 and 5,714.97 is: 7,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.13 : 13,749.29 = 5,714.97 : x
  2. Step 2: Convert to fraction form
    9,964.13/13,749.29 = 5,714.97/x
  3. Step 3: Cross multiply
    9,964.13x = 13,749.29 × 5,714.97
  4. Step 4: Simplify right side
    9,964.13x = 78,576,721.17
  5. Step 5: Solve for x
    x = 78,576,721.17/9,964.13
  6. Step 6: Final answer
    x = 7,885.96

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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.