Home / 7,919.33-10,928.31-4,334.22

Finding the Fourth Proportional to 7,919.33, 10,928.31 and 4,334.22

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Solution

The fourth proportional to 7,919.33, 10,928.31 and 4,334.22 is: 5,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.33 : 10,928.31 = 4,334.22 : x
  2. Step 2: Convert to fraction form
    7,919.33/10,928.31 = 4,334.22/x
  3. Step 3: Cross multiply
    7,919.33x = 10,928.31 × 4,334.22
  4. Step 4: Simplify right side
    7,919.33x = 47,365,699.77
  5. Step 5: Solve for x
    x = 47,365,699.77/7,919.33
  6. Step 6: Final answer
    x = 5,981.03

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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.