Home / 8,056.36-11,117.76-4,912.55

Finding the Fourth Proportional to 8,056.36, 11,117.76 and 4,912.55

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Solution

The fourth proportional to 8,056.36, 11,117.76 and 4,912.55 is: 6,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.36 : 11,117.76 = 4,912.55 : x
  2. Step 2: Convert to fraction form
    8,056.36/11,117.76 = 4,912.55/x
  3. Step 3: Cross multiply
    8,056.36x = 11,117.76 × 4,912.55
  4. Step 4: Simplify right side
    8,056.36x = 54,616,519.57
  5. Step 5: Solve for x
    x = 54,616,519.57/8,056.36
  6. Step 6: Final answer
    x = 6,779.30

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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.