Home / 6,900.03-10,352.93-2,220.39

Finding the Fourth Proportional to 6,900.03, 10,352.93 and 2,220.39

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Solution

The fourth proportional to 6,900.03, 10,352.93 and 2,220.39 is: 3,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.03 : 10,352.93 = 2,220.39 : x
  2. Step 2: Convert to fraction form
    6,900.03/10,352.93 = 2,220.39/x
  3. Step 3: Cross multiply
    6,900.03x = 10,352.93 × 2,220.39
  4. Step 4: Simplify right side
    6,900.03x = 22,987,531.14
  5. Step 5: Solve for x
    x = 22,987,531.14/6,900.03
  6. Step 6: Final answer
    x = 3,331.51

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Double scale
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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.