Home / 11,072.08-15,279.88-6,104.40

Finding the Fourth Proportional to 11,072.08, 15,279.88 and 6,104.40

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Solution

The fourth proportional to 11,072.08, 15,279.88 and 6,104.40 is: 8,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.08 : 15,279.88 = 6,104.40 : x
  2. Step 2: Convert to fraction form
    11,072.08/15,279.88 = 6,104.40/x
  3. Step 3: Cross multiply
    11,072.08x = 15,279.88 × 6,104.40
  4. Step 4: Simplify right side
    11,072.08x = 93,274,499.47
  5. Step 5: Solve for x
    x = 93,274,499.47/11,072.08
  6. Step 6: Final answer
    x = 8,424.30

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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.