Home / 10,986.04-16,468.80-4,416.70

Finding the Fourth Proportional to 10,986.04, 16,468.80 and 4,416.70

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Solution

The fourth proportional to 10,986.04, 16,468.80 and 4,416.70 is: 6,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.04 : 16,468.80 = 4,416.70 : x
  2. Step 2: Convert to fraction form
    10,986.04/16,468.80 = 4,416.70/x
  3. Step 3: Cross multiply
    10,986.04x = 16,468.80 × 4,416.70
  4. Step 4: Simplify right side
    10,986.04x = 72,737,748.96
  5. Step 5: Solve for x
    x = 72,737,748.96/10,986.04
  6. Step 6: Final answer
    x = 6,620.93

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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.