Home / 9,615.72-14,423.38-2,690.04

Finding the Fourth Proportional to 9,615.72, 14,423.38 and 2,690.04

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Solution

The fourth proportional to 9,615.72, 14,423.38 and 2,690.04 is: 4,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.72 : 14,423.38 = 2,690.04 : x
  2. Step 2: Convert to fraction form
    9,615.72/14,423.38 = 2,690.04/x
  3. Step 3: Cross multiply
    9,615.72x = 14,423.38 × 2,690.04
  4. Step 4: Simplify right side
    9,615.72x = 38,799,469.14
  5. Step 5: Solve for x
    x = 38,799,469.14/9,615.72
  6. Step 6: Final answer
    x = 4,035.00

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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.