Home / 7,837.41-10,815.30-4,300.39

Finding the Fourth Proportional to 7,837.41, 10,815.30 and 4,300.39

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Solution

The fourth proportional to 7,837.41, 10,815.30 and 4,300.39 is: 5,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.41 : 10,815.30 = 4,300.39 : x
  2. Step 2: Convert to fraction form
    7,837.41/10,815.30 = 4,300.39/x
  3. Step 3: Cross multiply
    7,837.41x = 10,815.30 × 4,300.39
  4. Step 4: Simplify right side
    7,837.41x = 46,510,007.97
  5. Step 5: Solve for x
    x = 46,510,007.97/7,837.41
  6. Step 6: Final answer
    x = 5,934.36

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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.