Home / 6,858.15-10,286.96-4,772.13

Finding the Fourth Proportional to 6,858.15, 10,286.96 and 4,772.13

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Solution

The fourth proportional to 6,858.15, 10,286.96 and 4,772.13 is: 7,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.15 : 10,286.96 = 4,772.13 : x
  2. Step 2: Convert to fraction form
    6,858.15/10,286.96 = 4,772.13/x
  3. Step 3: Cross multiply
    6,858.15x = 10,286.96 × 4,772.13
  4. Step 4: Simplify right side
    6,858.15x = 49,090,686.56
  5. Step 5: Solve for x
    x = 49,090,686.56/6,858.15
  6. Step 6: Final answer
    x = 7,158.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.