Home / 6,212.46-8,563.23-5,703.78

Finding the Fourth Proportional to 6,212.46, 8,563.23 and 5,703.78

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Solution

The fourth proportional to 6,212.46, 8,563.23 and 5,703.78 is: 7,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.46 : 8,563.23 = 5,703.78 : x
  2. Step 2: Convert to fraction form
    6,212.46/8,563.23 = 5,703.78/x
  3. Step 3: Cross multiply
    6,212.46x = 8,563.23 × 5,703.78
  4. Step 4: Simplify right side
    6,212.46x = 48,842,780.01
  5. Step 5: Solve for x
    x = 48,842,780.01/6,212.46
  6. Step 6: Final answer
    x = 7,862.07

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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.