Home / 9,963.26-13,749.34-5,714.49

Finding the Fourth Proportional to 9,963.26, 13,749.34 and 5,714.49

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Solution

The fourth proportional to 9,963.26, 13,749.34 and 5,714.49 is: 7,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.26 : 13,749.34 = 5,714.49 : x
  2. Step 2: Convert to fraction form
    9,963.26/13,749.34 = 5,714.49/x
  3. Step 3: Cross multiply
    9,963.26x = 13,749.34 × 5,714.49
  4. Step 4: Simplify right side
    9,963.26x = 78,570,465.94
  5. Step 5: Solve for x
    x = 78,570,465.94/9,963.26
  6. Step 6: Final answer
    x = 7,886.02

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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.