Home / 10,422.76-15,637.74-6,522.52

Finding the Fourth Proportional to 10,422.76, 15,637.74 and 6,522.52

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Solution

The fourth proportional to 10,422.76, 15,637.74 and 6,522.52 is: 9,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.76 : 15,637.74 = 6,522.52 : x
  2. Step 2: Convert to fraction form
    10,422.76/15,637.74 = 6,522.52/x
  3. Step 3: Cross multiply
    10,422.76x = 15,637.74 × 6,522.52
  4. Step 4: Simplify right side
    10,422.76x = 101,997,471.90
  5. Step 5: Solve for x
    x = 101,997,471.90/10,422.76
  6. Step 6: Final answer
    x = 9,786.03

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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.