Home / 11,730.69-16,188.56-6,425.17

Finding the Fourth Proportional to 11,730.69, 16,188.56 and 6,425.17

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Solution

The fourth proportional to 11,730.69, 16,188.56 and 6,425.17 is: 8,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.69 : 16,188.56 = 6,425.17 : x
  2. Step 2: Convert to fraction form
    11,730.69/16,188.56 = 6,425.17/x
  3. Step 3: Cross multiply
    11,730.69x = 16,188.56 × 6,425.17
  4. Step 4: Simplify right side
    11,730.69x = 104,014,225.65
  5. Step 5: Solve for x
    x = 104,014,225.65/11,730.69
  6. Step 6: Final answer
    x = 8,866.85

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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.