Home / 12,304.16-16,979.52-6,998.86

Finding the Fourth Proportional to 12,304.16, 16,979.52 and 6,998.86

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Solution

The fourth proportional to 12,304.16, 16,979.52 and 6,998.86 is: 9,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.16 : 16,979.52 = 6,998.86 : x
  2. Step 2: Convert to fraction form
    12,304.16/16,979.52 = 6,998.86/x
  3. Step 3: Cross multiply
    12,304.16x = 16,979.52 × 6,998.86
  4. Step 4: Simplify right side
    12,304.16x = 118,837,283.35
  5. Step 5: Solve for x
    x = 118,837,283.35/12,304.16
  6. Step 6: Final answer
    x = 9,658.30

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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.