Home / 9,364.44-12,922.58-5,385.30

Finding the Fourth Proportional to 9,364.44, 12,922.58 and 5,385.30

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Solution

The fourth proportional to 9,364.44, 12,922.58 and 5,385.30 is: 7,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.44 : 12,922.58 = 5,385.30 : x
  2. Step 2: Convert to fraction form
    9,364.44/12,922.58 = 5,385.30/x
  3. Step 3: Cross multiply
    9,364.44x = 12,922.58 × 5,385.30
  4. Step 4: Simplify right side
    9,364.44x = 69,591,970.07
  5. Step 5: Solve for x
    x = 69,591,970.07/9,364.44
  6. Step 6: Final answer
    x = 7,431.51

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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.