Home / 8,856.44-12,222.86-5,079.81

Finding the Fourth Proportional to 8,856.44, 12,222.86 and 5,079.81

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Solution

The fourth proportional to 8,856.44, 12,222.86 and 5,079.81 is: 7,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.44 : 12,222.86 = 5,079.81 : x
  2. Step 2: Convert to fraction form
    8,856.44/12,222.86 = 5,079.81/x
  3. Step 3: Cross multiply
    8,856.44x = 12,222.86 × 5,079.81
  4. Step 4: Simplify right side
    8,856.44x = 62,089,781.06
  5. Step 5: Solve for x
    x = 62,089,781.06/8,856.44
  6. Step 6: Final answer
    x = 7,010.70

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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.