Home / 7,914.72-10,922.43-4,558.14

Finding the Fourth Proportional to 7,914.72, 10,922.43 and 4,558.14

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Solution

The fourth proportional to 7,914.72, 10,922.43 and 4,558.14 is: 6,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.72 : 10,922.43 = 4,558.14 : x
  2. Step 2: Convert to fraction form
    7,914.72/10,922.43 = 4,558.14/x
  3. Step 3: Cross multiply
    7,914.72x = 10,922.43 × 4,558.14
  4. Step 4: Simplify right side
    7,914.72x = 49,785,982.17
  5. Step 5: Solve for x
    x = 49,785,982.17/7,914.72
  6. Step 6: Final answer
    x = 6,290.30

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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.