Home / 11,211.04-16,816.47-4,192.83

Finding the Fourth Proportional to 11,211.04, 16,816.47 and 4,192.83

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Solution

The fourth proportional to 11,211.04, 16,816.47 and 4,192.83 is: 6,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.04 : 16,816.47 = 4,192.83 : x
  2. Step 2: Convert to fraction form
    11,211.04/16,816.47 = 4,192.83/x
  3. Step 3: Cross multiply
    11,211.04x = 16,816.47 × 4,192.83
  4. Step 4: Simplify right side
    11,211.04x = 70,508,599.91
  5. Step 5: Solve for x
    x = 70,508,599.91/11,211.04
  6. Step 6: Final answer
    x = 6,289.21

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1.5x scale

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.