Home / 8,255.07-12,368.21-6,877.26

Finding the Fourth Proportional to 8,255.07, 12,368.21 and 6,877.26

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Solution

The fourth proportional to 8,255.07, 12,368.21 and 6,877.26 is: 10,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.07 : 12,368.21 = 6,877.26 : x
  2. Step 2: Convert to fraction form
    8,255.07/12,368.21 = 6,877.26/x
  3. Step 3: Cross multiply
    8,255.07x = 12,368.21 × 6,877.26
  4. Step 4: Simplify right side
    8,255.07x = 85,059,361.52
  5. Step 5: Solve for x
    x = 85,059,361.52/8,255.07
  6. Step 6: Final answer
    x = 10,303.89

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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.