Home / 6,939.06-9,574.46-4,105.02

Finding the Fourth Proportional to 6,939.06, 9,574.46 and 4,105.02

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Solution

The fourth proportional to 6,939.06, 9,574.46 and 4,105.02 is: 5,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.06 : 9,574.46 = 4,105.02 : x
  2. Step 2: Convert to fraction form
    6,939.06/9,574.46 = 4,105.02/x
  3. Step 3: Cross multiply
    6,939.06x = 9,574.46 × 4,105.02
  4. Step 4: Simplify right side
    6,939.06x = 39,303,349.79
  5. Step 5: Solve for x
    x = 39,303,349.79/6,939.06
  6. Step 6: Final answer
    x = 5,664.07

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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.