Home / 9,997.65-14,999.04-3,423.89

Finding the Fourth Proportional to 9,997.65, 14,999.04 and 3,423.89

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Solution

The fourth proportional to 9,997.65, 14,999.04 and 3,423.89 is: 5,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.65 : 14,999.04 = 3,423.89 : x
  2. Step 2: Convert to fraction form
    9,997.65/14,999.04 = 3,423.89/x
  3. Step 3: Cross multiply
    9,997.65x = 14,999.04 × 3,423.89
  4. Step 4: Simplify right side
    9,997.65x = 51,355,100.56
  5. Step 5: Solve for x
    x = 51,355,100.56/9,997.65
  6. Step 6: Final answer
    x = 5,136.72

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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.