Home / 11,144.03-15,378.18-6,107.36

Finding the Fourth Proportional to 11,144.03, 15,378.18 and 6,107.36

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Solution

The fourth proportional to 11,144.03, 15,378.18 and 6,107.36 is: 8,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.03 : 15,378.18 = 6,107.36 : x
  2. Step 2: Convert to fraction form
    11,144.03/15,378.18 = 6,107.36/x
  3. Step 3: Cross multiply
    11,144.03x = 15,378.18 × 6,107.36
  4. Step 4: Simplify right side
    11,144.03x = 93,920,004.51
  5. Step 5: Solve for x
    x = 93,920,004.51/11,144.03
  6. Step 6: Final answer
    x = 8,427.84

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Double scale
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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.