Home / 45,009.97-67,518.85-11,730.05

Finding the Fourth Proportional to 45,009.97, 67,518.85 and 11,730.05

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Solution

The fourth proportional to 45,009.97, 67,518.85 and 11,730.05 is: 17,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.97 : 67,518.85 = 11,730.05 : x
  2. Step 2: Convert to fraction form
    45,009.97/67,518.85 = 11,730.05/x
  3. Step 3: Cross multiply
    45,009.97x = 67,518.85 × 11,730.05
  4. Step 4: Simplify right side
    45,009.97x = 791,999,486.44
  5. Step 5: Solve for x
    x = 791,999,486.44/45,009.97
  6. Step 6: Final answer
    x = 17,596.09

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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.