Home / 12,713.76-19,070.36-5,692.12

Finding the Fourth Proportional to 12,713.76, 19,070.36 and 5,692.12

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Solution

The fourth proportional to 12,713.76, 19,070.36 and 5,692.12 is: 8,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.76 : 19,070.36 = 5,692.12 : x
  2. Step 2: Convert to fraction form
    12,713.76/19,070.36 = 5,692.12/x
  3. Step 3: Cross multiply
    12,713.76x = 19,070.36 × 5,692.12
  4. Step 4: Simplify right side
    12,713.76x = 108,550,777.56
  5. Step 5: Solve for x
    x = 108,550,777.56/12,713.76
  6. Step 6: Final answer
    x = 8,538.05

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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.