Home / 12,744.70-19,106.15-4,842.74

Finding the Fourth Proportional to 12,744.70, 19,106.15 and 4,842.74

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Solution

The fourth proportional to 12,744.70, 19,106.15 and 4,842.74 is: 7,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.70 : 19,106.15 = 4,842.74 : x
  2. Step 2: Convert to fraction form
    12,744.70/19,106.15 = 4,842.74/x
  3. Step 3: Cross multiply
    12,744.70x = 19,106.15 × 4,842.74
  4. Step 4: Simplify right side
    12,744.70x = 92,526,140.40
  5. Step 5: Solve for x
    x = 92,526,140.40/12,744.70
  6. Step 6: Final answer
    x = 7,259.97

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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.