Home / 7,843.07-10,822.73-4,306.20

Finding the Fourth Proportional to 7,843.07, 10,822.73 and 4,306.20

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Solution

The fourth proportional to 7,843.07, 10,822.73 and 4,306.20 is: 5,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.07 : 10,822.73 = 4,306.20 : x
  2. Step 2: Convert to fraction form
    7,843.07/10,822.73 = 4,306.20/x
  3. Step 3: Cross multiply
    7,843.07x = 10,822.73 × 4,306.20
  4. Step 4: Simplify right side
    7,843.07x = 46,604,818.40
  5. Step 5: Solve for x
    x = 46,604,818.40/7,843.07
  6. Step 6: Final answer
    x = 5,942.17

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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.