Home / 11,094.36-15,310.98-6,378.36

Finding the Fourth Proportional to 11,094.36, 15,310.98 and 6,378.36

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Solution

The fourth proportional to 11,094.36, 15,310.98 and 6,378.36 is: 8,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094.36 : 15,310.98 = 6,378.36 : x
  2. Step 2: Convert to fraction form
    11,094.36/15,310.98 = 6,378.36/x
  3. Step 3: Cross multiply
    11,094.36x = 15,310.98 × 6,378.36
  4. Step 4: Simplify right side
    11,094.36x = 97,658,942.39
  5. Step 5: Solve for x
    x = 97,658,942.39/11,094.36
  6. Step 6: Final answer
    x = 8,802.58

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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.