Home / 9,963.48-13,746.31-6,429.04

Finding the Fourth Proportional to 9,963.48, 13,746.31 and 6,429.04

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Solution

The fourth proportional to 9,963.48, 13,746.31 and 6,429.04 is: 8,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.48 : 13,746.31 = 6,429.04 : x
  2. Step 2: Convert to fraction form
    9,963.48/13,746.31 = 6,429.04/x
  3. Step 3: Cross multiply
    9,963.48x = 13,746.31 × 6,429.04
  4. Step 4: Simplify right side
    9,963.48x = 88,375,576.84
  5. Step 5: Solve for x
    x = 88,375,576.84/9,963.48
  6. Step 6: Final answer
    x = 8,869.95

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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.