Home / 6,522.24-9,783.12-1,905.12

Finding the Fourth Proportional to 6,522.24, 9,783.12 and 1,905.12

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Solution

The fourth proportional to 6,522.24, 9,783.12 and 1,905.12 is: 2,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.24 : 9,783.12 = 1,905.12 : x
  2. Step 2: Convert to fraction form
    6,522.24/9,783.12 = 1,905.12/x
  3. Step 3: Cross multiply
    6,522.24x = 9,783.12 × 1,905.12
  4. Step 4: Simplify right side
    6,522.24x = 18,638,017.57
  5. Step 5: Solve for x
    x = 18,638,017.57/6,522.24
  6. Step 6: Final answer
    x = 2,857.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.