Home / 7,940.16-10,958.09-4,403.70

Finding the Fourth Proportional to 7,940.16, 10,958.09 and 4,403.70

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Solution

The fourth proportional to 7,940.16, 10,958.09 and 4,403.70 is: 6,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.16 : 10,958.09 = 4,403.70 : x
  2. Step 2: Convert to fraction form
    7,940.16/10,958.09 = 4,403.70/x
  3. Step 3: Cross multiply
    7,940.16x = 10,958.09 × 4,403.70
  4. Step 4: Simplify right side
    7,940.16x = 48,256,118.91
  5. Step 5: Solve for x
    x = 48,256,118.91/7,940.16
  6. Step 6: Final answer
    x = 6,077.47

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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.