Home / 12,302.06-18,451.08-3,534.98

Finding the Fourth Proportional to 12,302.06, 18,451.08 and 3,534.98

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Solution

The fourth proportional to 12,302.06, 18,451.08 and 3,534.98 is: 5,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.06 : 18,451.08 = 3,534.98 : x
  2. Step 2: Convert to fraction form
    12,302.06/18,451.08 = 3,534.98/x
  3. Step 3: Cross multiply
    12,302.06x = 18,451.08 × 3,534.98
  4. Step 4: Simplify right side
    12,302.06x = 65,224,198.78
  5. Step 5: Solve for x
    x = 65,224,198.78/12,302.06
  6. Step 6: Final answer
    x = 5,301.89

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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.