Home / 6,972.36-9,623.34-4,179.48

Finding the Fourth Proportional to 6,972.36, 9,623.34 and 4,179.48

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Solution

The fourth proportional to 6,972.36, 9,623.34 and 4,179.48 is: 5,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.36 : 9,623.34 = 4,179.48 : x
  2. Step 2: Convert to fraction form
    6,972.36/9,623.34 = 4,179.48/x
  3. Step 3: Cross multiply
    6,972.36x = 9,623.34 × 4,179.48
  4. Step 4: Simplify right side
    6,972.36x = 40,220,557.06
  5. Step 5: Solve for x
    x = 40,220,557.06/6,972.36
  6. Step 6: Final answer
    x = 5,768.57

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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.