Home / 12,596.19-17,381.43-7,289.99

Finding the Fourth Proportional to 12,596.19, 17,381.43 and 7,289.99

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Solution

The fourth proportional to 12,596.19, 17,381.43 and 7,289.99 is: 10,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.19 : 17,381.43 = 7,289.99 : x
  2. Step 2: Convert to fraction form
    12,596.19/17,381.43 = 7,289.99/x
  3. Step 3: Cross multiply
    12,596.19x = 17,381.43 × 7,289.99
  4. Step 4: Simplify right side
    12,596.19x = 126,710,363.98
  5. Step 5: Solve for x
    x = 126,710,363.98/12,596.19
  6. Step 6: Final answer
    x = 10,059.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.