Home / 12,112.34-16,723.26-8,926.00

Finding the Fourth Proportional to 12,112.34, 16,723.26 and 8,926.00

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Solution

The fourth proportional to 12,112.34, 16,723.26 and 8,926.00 is: 12,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.34 : 16,723.26 = 8,926.00 : x
  2. Step 2: Convert to fraction form
    12,112.34/16,723.26 = 8,926.00/x
  3. Step 3: Cross multiply
    12,112.34x = 16,723.26 × 8,926.00
  4. Step 4: Simplify right side
    12,112.34x = 149,271,776.95
  5. Step 5: Solve for x
    x = 149,271,776.95/12,112.34
  6. Step 6: Final answer
    x = 12,323.95

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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.