Home / 6,848.70-9,450.48-5,057.12

Finding the Fourth Proportional to 6,848.70, 9,450.48 and 5,057.12

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Solution

The fourth proportional to 6,848.70, 9,450.48 and 5,057.12 is: 6,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.70 : 9,450.48 = 5,057.12 : x
  2. Step 2: Convert to fraction form
    6,848.70/9,450.48 = 5,057.12/x
  3. Step 3: Cross multiply
    6,848.70x = 9,450.48 × 5,057.12
  4. Step 4: Simplify right side
    6,848.70x = 47,792,211.42
  5. Step 5: Solve for x
    x = 47,792,211.42/6,848.70
  6. Step 6: Final answer
    x = 6,978.29

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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.