Home / 9,332.19-12,878.42-5,140.44

Finding the Fourth Proportional to 9,332.19, 12,878.42 and 5,140.44

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Solution

The fourth proportional to 9,332.19, 12,878.42 and 5,140.44 is: 7,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.19 : 12,878.42 = 5,140.44 : x
  2. Step 2: Convert to fraction form
    9,332.19/12,878.42 = 5,140.44/x
  3. Step 3: Cross multiply
    9,332.19x = 12,878.42 × 5,140.44
  4. Step 4: Simplify right side
    9,332.19x = 66,200,745.30
  5. Step 5: Solve for x
    x = 66,200,745.30/9,332.19
  6. Step 6: Final answer
    x = 7,093.81

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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.