Home / 11,051.58-15,212.66-9,632.81

Finding the Fourth Proportional to 11,051.58, 15,212.66 and 9,632.81

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Solution

The fourth proportional to 11,051.58, 15,212.66 and 9,632.81 is: 13,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.58 : 15,212.66 = 9,632.81 : x
  2. Step 2: Convert to fraction form
    11,051.58/15,212.66 = 9,632.81/x
  3. Step 3: Cross multiply
    11,051.58x = 15,212.66 × 9,632.81
  4. Step 4: Simplify right side
    11,051.58x = 146,540,611.39
  5. Step 5: Solve for x
    x = 146,540,611.39/11,051.58
  6. Step 6: Final answer
    x = 13,259.70

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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.