Home / 7,665.23-11,499.87-4,153.68

Finding the Fourth Proportional to 7,665.23, 11,499.87 and 4,153.68

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Solution

The fourth proportional to 7,665.23, 11,499.87 and 4,153.68 is: 6,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.23 : 11,499.87 = 4,153.68 : x
  2. Step 2: Convert to fraction form
    7,665.23/11,499.87 = 4,153.68/x
  3. Step 3: Cross multiply
    7,665.23x = 11,499.87 × 4,153.68
  4. Step 4: Simplify right side
    7,665.23x = 47,766,795.60
  5. Step 5: Solve for x
    x = 47,766,795.60/7,665.23
  6. Step 6: Final answer
    x = 6,231.62

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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.