Home / 11,055.45-15,259.73-8,832.81

Finding the Fourth Proportional to 11,055.45, 15,259.73 and 8,832.81

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Solution

The fourth proportional to 11,055.45, 15,259.73 and 8,832.81 is: 12,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.45 : 15,259.73 = 8,832.81 : x
  2. Step 2: Convert to fraction form
    11,055.45/15,259.73 = 8,832.81/x
  3. Step 3: Cross multiply
    11,055.45x = 15,259.73 × 8,832.81
  4. Step 4: Simplify right side
    11,055.45x = 134,786,295.74
  5. Step 5: Solve for x
    x = 134,786,295.74/11,055.45
  6. Step 6: Final answer
    x = 12,191.84

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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.