Home / 12,176.91-16,800.15-6,798.45

Finding the Fourth Proportional to 12,176.91, 16,800.15 and 6,798.45

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Solution

The fourth proportional to 12,176.91, 16,800.15 and 6,798.45 is: 9,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.91 : 16,800.15 = 6,798.45 : x
  2. Step 2: Convert to fraction form
    12,176.91/16,800.15 = 6,798.45/x
  3. Step 3: Cross multiply
    12,176.91x = 16,800.15 × 6,798.45
  4. Step 4: Simplify right side
    12,176.91x = 114,214,979.77
  5. Step 5: Solve for x
    x = 114,214,979.77/12,176.91
  6. Step 6: Final answer
    x = 9,379.64

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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.