Home / 10,169.21-14,032.85-5,692.21

Finding the Fourth Proportional to 10,169.21, 14,032.85 and 5,692.21

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Solution

The fourth proportional to 10,169.21, 14,032.85 and 5,692.21 is: 7,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.21 : 14,032.85 = 5,692.21 : x
  2. Step 2: Convert to fraction form
    10,169.21/14,032.85 = 5,692.21/x
  3. Step 3: Cross multiply
    10,169.21x = 14,032.85 × 5,692.21
  4. Step 4: Simplify right side
    10,169.21x = 79,877,865.56
  5. Step 5: Solve for x
    x = 79,877,865.56/10,169.21
  6. Step 6: Final answer
    x = 7,854.87

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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.