Home / 11,522.23-15,897.49-6,486.15

Finding the Fourth Proportional to 11,522.23, 15,897.49 and 6,486.15

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Solution

The fourth proportional to 11,522.23, 15,897.49 and 6,486.15 is: 8,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.23 : 15,897.49 = 6,486.15 : x
  2. Step 2: Convert to fraction form
    11,522.23/15,897.49 = 6,486.15/x
  3. Step 3: Cross multiply
    11,522.23x = 15,897.49 × 6,486.15
  4. Step 4: Simplify right side
    11,522.23x = 103,113,488.55
  5. Step 5: Solve for x
    x = 103,113,488.55/11,522.23
  6. Step 6: Final answer
    x = 8,949.09

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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.