Home / 12,633.49-18,950.13-4,842.31

Finding the Fourth Proportional to 12,633.49, 18,950.13 and 4,842.31

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Solution

The fourth proportional to 12,633.49, 18,950.13 and 4,842.31 is: 7,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.49 : 18,950.13 = 4,842.31 : x
  2. Step 2: Convert to fraction form
    12,633.49/18,950.13 = 4,842.31/x
  3. Step 3: Cross multiply
    12,633.49x = 18,950.13 × 4,842.31
  4. Step 4: Simplify right side
    12,633.49x = 91,762,325.24
  5. Step 5: Solve for x
    x = 91,762,325.24/12,633.49
  6. Step 6: Final answer
    x = 7,263.42

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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.