Home / 11,072.32-15,279.80-6,104.32

Finding the Fourth Proportional to 11,072.32, 15,279.80 and 6,104.32

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Solution

The fourth proportional to 11,072.32, 15,279.80 and 6,104.32 is: 8,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.32 : 15,279.80 = 6,104.32 : x
  2. Step 2: Convert to fraction form
    11,072.32/15,279.80 = 6,104.32/x
  3. Step 3: Cross multiply
    11,072.32x = 15,279.80 × 6,104.32
  4. Step 4: Simplify right side
    11,072.32x = 93,272,788.74
  5. Step 5: Solve for x
    x = 93,272,788.74/11,072.32
  6. Step 6: Final answer
    x = 8,423.96

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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.