Home / 11,246.90-15,522.03-6,772.88

Finding the Fourth Proportional to 11,246.90, 15,522.03 and 6,772.88

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Solution

The fourth proportional to 11,246.90, 15,522.03 and 6,772.88 is: 9,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.90 : 15,522.03 = 6,772.88 : x
  2. Step 2: Convert to fraction form
    11,246.90/15,522.03 = 6,772.88/x
  3. Step 3: Cross multiply
    11,246.90x = 15,522.03 × 6,772.88
  4. Step 4: Simplify right side
    11,246.90x = 105,128,846.55
  5. Step 5: Solve for x
    x = 105,128,846.55/11,246.90
  6. Step 6: Final answer
    x = 9,347.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.