Home / 8,331.42-11,495.94-4,975.58

Finding the Fourth Proportional to 8,331.42, 11,495.94 and 4,975.58

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Solution

The fourth proportional to 8,331.42, 11,495.94 and 4,975.58 is: 6,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.42 : 11,495.94 = 4,975.58 : x
  2. Step 2: Convert to fraction form
    8,331.42/11,495.94 = 4,975.58/x
  3. Step 3: Cross multiply
    8,331.42x = 11,495.94 × 4,975.58
  4. Step 4: Simplify right side
    8,331.42x = 57,198,969.15
  5. Step 5: Solve for x
    x = 57,198,969.15/8,331.42
  6. Step 6: Final answer
    x = 6,865.45

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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.