Home / 11,730.84-16,188.42-6,425.58

Finding the Fourth Proportional to 11,730.84, 16,188.42 and 6,425.58

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Solution

The fourth proportional to 11,730.84, 16,188.42 and 6,425.58 is: 8,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.84 : 16,188.42 = 6,425.58 : x
  2. Step 2: Convert to fraction form
    11,730.84/16,188.42 = 6,425.58/x
  3. Step 3: Cross multiply
    11,730.84x = 16,188.42 × 6,425.58
  4. Step 4: Simplify right side
    11,730.84x = 104,019,987.78
  5. Step 5: Solve for x
    x = 104,019,987.78/11,730.84
  6. Step 6: Final answer
    x = 8,867.22

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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.