Home / 9,857.57-14,778.50-5,692.85

Finding the Fourth Proportional to 9,857.57, 14,778.50 and 5,692.85

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Solution

The fourth proportional to 9,857.57, 14,778.50 and 5,692.85 is: 8,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.57 : 14,778.50 = 5,692.85 : x
  2. Step 2: Convert to fraction form
    9,857.57/14,778.50 = 5,692.85/x
  3. Step 3: Cross multiply
    9,857.57x = 14,778.50 × 5,692.85
  4. Step 4: Simplify right side
    9,857.57x = 84,131,783.73
  5. Step 5: Solve for x
    x = 84,131,783.73/9,857.57
  6. Step 6: Final answer
    x = 8,534.74

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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.