Home / 8,721.47-12,035.04-4,944.26

Finding the Fourth Proportional to 8,721.47, 12,035.04 and 4,944.26

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Solution

The fourth proportional to 8,721.47, 12,035.04 and 4,944.26 is: 6,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.47 : 12,035.04 = 4,944.26 : x
  2. Step 2: Convert to fraction form
    8,721.47/12,035.04 = 4,944.26/x
  3. Step 3: Cross multiply
    8,721.47x = 12,035.04 × 4,944.26
  4. Step 4: Simplify right side
    8,721.47x = 59,504,366.87
  5. Step 5: Solve for x
    x = 59,504,366.87/8,721.47
  6. Step 6: Final answer
    x = 6,822.75

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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.