Home / 12,234.04-16,881.80-9,722.22

Finding the Fourth Proportional to 12,234.04, 16,881.80 and 9,722.22

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Solution

The fourth proportional to 12,234.04, 16,881.80 and 9,722.22 is: 13,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.04 : 16,881.80 = 9,722.22 : x
  2. Step 2: Convert to fraction form
    12,234.04/16,881.80 = 9,722.22/x
  3. Step 3: Cross multiply
    12,234.04x = 16,881.80 × 9,722.22
  4. Step 4: Simplify right side
    12,234.04x = 164,128,573.60
  5. Step 5: Solve for x
    x = 164,128,573.60/12,234.04
  6. Step 6: Final answer
    x = 13,415.73

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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.