Home / 7,880.15-10,874.54-4,343.33

Finding the Fourth Proportional to 7,880.15, 10,874.54 and 4,343.33

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Solution

The fourth proportional to 7,880.15, 10,874.54 and 4,343.33 is: 5,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.15 : 10,874.54 = 4,343.33 : x
  2. Step 2: Convert to fraction form
    7,880.15/10,874.54 = 4,343.33/x
  3. Step 3: Cross multiply
    7,880.15x = 10,874.54 × 4,343.33
  4. Step 4: Simplify right side
    7,880.15x = 47,231,639.73
  5. Step 5: Solve for x
    x = 47,231,639.73/7,880.15
  6. Step 6: Final answer
    x = 5,993.75

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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.