Home / 9,329.44-12,874.60-5,137.69

Finding the Fourth Proportional to 9,329.44, 12,874.60 and 5,137.69

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Solution

The fourth proportional to 9,329.44, 12,874.60 and 5,137.69 is: 7,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.44 : 12,874.60 = 5,137.69 : x
  2. Step 2: Convert to fraction form
    9,329.44/12,874.60 = 5,137.69/x
  3. Step 3: Cross multiply
    9,329.44x = 12,874.60 × 5,137.69
  4. Step 4: Simplify right side
    9,329.44x = 66,145,703.67
  5. Step 5: Solve for x
    x = 66,145,703.67/9,329.44
  6. Step 6: Final answer
    x = 7,090.00

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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.