Home / 8,775.75-12,110.55-5,796.57

Finding the Fourth Proportional to 8,775.75, 12,110.55 and 5,796.57

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Solution

The fourth proportional to 8,775.75, 12,110.55 and 5,796.57 is: 7,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.75 : 12,110.55 = 5,796.57 : x
  2. Step 2: Convert to fraction form
    8,775.75/12,110.55 = 5,796.57/x
  3. Step 3: Cross multiply
    8,775.75x = 12,110.55 × 5,796.57
  4. Step 4: Simplify right side
    8,775.75x = 70,199,650.81
  5. Step 5: Solve for x
    x = 70,199,650.81/8,775.75
  6. Step 6: Final answer
    x = 7,999.28

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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.