Home / 7,583.44-11,353.56-6,840.40

Finding the Fourth Proportional to 7,583.44, 11,353.56 and 6,840.40

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Solution

The fourth proportional to 7,583.44, 11,353.56 and 6,840.40 is: 10,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.44 : 11,353.56 = 6,840.40 : x
  2. Step 2: Convert to fraction form
    7,583.44/11,353.56 = 6,840.40/x
  3. Step 3: Cross multiply
    7,583.44x = 11,353.56 × 6,840.40
  4. Step 4: Simplify right side
    7,583.44x = 77,662,891.82
  5. Step 5: Solve for x
    x = 77,662,891.82/7,583.44
  6. Step 6: Final answer
    x = 10,241.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.