Home / 12,650.01-18,971.69-3,762.95

Finding the Fourth Proportional to 12,650.01, 18,971.69 and 3,762.95

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Solution

The fourth proportional to 12,650.01, 18,971.69 and 3,762.95 is: 5,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.01 : 18,971.69 = 3,762.95 : x
  2. Step 2: Convert to fraction form
    12,650.01/18,971.69 = 3,762.95/x
  3. Step 3: Cross multiply
    12,650.01x = 18,971.69 × 3,762.95
  4. Step 4: Simplify right side
    12,650.01x = 71,389,428.38
  5. Step 5: Solve for x
    x = 71,389,428.38/12,650.01
  6. Step 6: Final answer
    x = 5,643.43

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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.