Home / 7,858.46-10,844.68-4,321.66

Finding the Fourth Proportional to 7,858.46, 10,844.68 and 4,321.66

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Solution

The fourth proportional to 7,858.46, 10,844.68 and 4,321.66 is: 5,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.46 : 10,844.68 = 4,321.66 : x
  2. Step 2: Convert to fraction form
    7,858.46/10,844.68 = 4,321.66/x
  3. Step 3: Cross multiply
    7,858.46x = 10,844.68 × 4,321.66
  4. Step 4: Simplify right side
    7,858.46x = 46,867,019.77
  5. Step 5: Solve for x
    x = 46,867,019.77/7,858.46
  6. Step 6: Final answer
    x = 5,963.89

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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.