Home / 11,730.18-16,187.76-6,425.10

Finding the Fourth Proportional to 11,730.18, 16,187.76 and 6,425.10

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Solution

The fourth proportional to 11,730.18, 16,187.76 and 6,425.10 is: 8,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.18 : 16,187.76 = 6,425.10 : x
  2. Step 2: Convert to fraction form
    11,730.18/16,187.76 = 6,425.10/x
  3. Step 3: Cross multiply
    11,730.18x = 16,187.76 × 6,425.10
  4. Step 4: Simplify right side
    11,730.18x = 104,007,976.78
  5. Step 5: Solve for x
    x = 104,007,976.78/11,730.18
  6. Step 6: Final answer
    x = 8,866.70

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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.