Home / 10,522.81-15,784.12-2,625.27

Finding the Fourth Proportional to 10,522.81, 15,784.12 and 2,625.27

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Solution

The fourth proportional to 10,522.81, 15,784.12 and 2,625.27 is: 3,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.81 : 15,784.12 = 2,625.27 : x
  2. Step 2: Convert to fraction form
    10,522.81/15,784.12 = 2,625.27/x
  3. Step 3: Cross multiply
    10,522.81x = 15,784.12 × 2,625.27
  4. Step 4: Simplify right side
    10,522.81x = 41,437,576.71
  5. Step 5: Solve for x
    x = 41,437,576.71/10,522.81
  6. Step 6: Final answer
    x = 3,937.88

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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.