Home / 9,732.08-13,435.80-6,429.68

Finding the Fourth Proportional to 9,732.08, 13,435.80 and 6,429.68

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Solution

The fourth proportional to 9,732.08, 13,435.80 and 6,429.68 is: 8,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.08 : 13,435.80 = 6,429.68 : x
  2. Step 2: Convert to fraction form
    9,732.08/13,435.80 = 6,429.68/x
  3. Step 3: Cross multiply
    9,732.08x = 13,435.80 × 6,429.68
  4. Step 4: Simplify right side
    9,732.08x = 86,387,894.54
  5. Step 5: Solve for x
    x = 86,387,894.54/9,732.08
  6. Step 6: Final answer
    x = 8,876.61

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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.