Home / 7,023.08-9,692.42-4,039.88

Finding the Fourth Proportional to 7,023.08, 9,692.42 and 4,039.88

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Solution

The fourth proportional to 7,023.08, 9,692.42 and 4,039.88 is: 5,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.08 : 9,692.42 = 4,039.88 : x
  2. Step 2: Convert to fraction form
    7,023.08/9,692.42 = 4,039.88/x
  3. Step 3: Cross multiply
    7,023.08x = 9,692.42 × 4,039.88
  4. Step 4: Simplify right side
    7,023.08x = 39,156,213.71
  5. Step 5: Solve for x
    x = 39,156,213.71/7,023.08
  6. Step 6: Final answer
    x = 5,575.36

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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.