Home / 7,922.39-10,933.32-4,385.63

Finding the Fourth Proportional to 7,922.39, 10,933.32 and 4,385.63

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Solution

The fourth proportional to 7,922.39, 10,933.32 and 4,385.63 is: 6,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.39 : 10,933.32 = 4,385.63 : x
  2. Step 2: Convert to fraction form
    7,922.39/10,933.32 = 4,385.63/x
  3. Step 3: Cross multiply
    7,922.39x = 10,933.32 × 4,385.63
  4. Step 4: Simplify right side
    7,922.39x = 47,949,441.53
  5. Step 5: Solve for x
    x = 47,949,441.53/7,922.39
  6. Step 6: Final answer
    x = 6,052.40

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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.