Home / 12,113.34-16,763.67-11,821.98

Finding the Fourth Proportional to 12,113.34, 16,763.67 and 11,821.98

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Solution

The fourth proportional to 12,113.34, 16,763.67 and 11,821.98 is: 16,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.34 : 16,763.67 = 11,821.98 : x
  2. Step 2: Convert to fraction form
    12,113.34/16,763.67 = 11,821.98/x
  3. Step 3: Cross multiply
    12,113.34x = 16,763.67 × 11,821.98
  4. Step 4: Simplify right side
    12,113.34x = 198,179,771.47
  5. Step 5: Solve for x
    x = 198,179,771.47/12,113.34
  6. Step 6: Final answer
    x = 16,360.46

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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.