Home / 6,848.87-10,271.15-1,918.13

Finding the Fourth Proportional to 6,848.87, 10,271.15 and 1,918.13

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Solution

The fourth proportional to 6,848.87, 10,271.15 and 1,918.13 is: 2,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.87 : 10,271.15 = 1,918.13 : x
  2. Step 2: Convert to fraction form
    6,848.87/10,271.15 = 1,918.13/x
  3. Step 3: Cross multiply
    6,848.87x = 10,271.15 × 1,918.13
  4. Step 4: Simplify right side
    6,848.87x = 19,701,391.36
  5. Step 5: Solve for x
    x = 19,701,391.36/6,848.87
  6. Step 6: Final answer
    x = 2,876.59

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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.