Home / 11,209.02-16,807.95-4,186.02

Finding the Fourth Proportional to 11,209.02, 16,807.95 and 4,186.02

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Solution

The fourth proportional to 11,209.02, 16,807.95 and 4,186.02 is: 6,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.02 : 16,807.95 = 4,186.02 : x
  2. Step 2: Convert to fraction form
    11,209.02/16,807.95 = 4,186.02/x
  3. Step 3: Cross multiply
    11,209.02x = 16,807.95 × 4,186.02
  4. Step 4: Simplify right side
    11,209.02x = 70,358,414.86
  5. Step 5: Solve for x
    x = 70,358,414.86/11,209.02
  6. Step 6: Final answer
    x = 6,276.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.