Home / 9,329.70-12,874.41-5,137.95

Finding the Fourth Proportional to 9,329.70, 12,874.41 and 5,137.95

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Solution

The fourth proportional to 9,329.70, 12,874.41 and 5,137.95 is: 7,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.70 : 12,874.41 = 5,137.95 : x
  2. Step 2: Convert to fraction form
    9,329.70/12,874.41 = 5,137.95/x
  3. Step 3: Cross multiply
    9,329.70x = 12,874.41 × 5,137.95
  4. Step 4: Simplify right side
    9,329.70x = 66,148,074.86
  5. Step 5: Solve for x
    x = 66,148,074.86/9,329.70
  6. Step 6: Final answer
    x = 7,090.05

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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.