Home / 10,589.04-15,889.96-3,668.40

Finding the Fourth Proportional to 10,589.04, 15,889.96 and 3,668.40

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Solution

The fourth proportional to 10,589.04, 15,889.96 and 3,668.40 is: 5,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.04 : 15,889.96 = 3,668.40 : x
  2. Step 2: Convert to fraction form
    10,589.04/15,889.96 = 3,668.40/x
  3. Step 3: Cross multiply
    10,589.04x = 15,889.96 × 3,668.40
  4. Step 4: Simplify right side
    10,589.04x = 58,290,729.26
  5. Step 5: Solve for x
    x = 58,290,729.26/10,589.04
  6. Step 6: Final answer
    x = 5,504.82

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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.