Home / 8,220.36-11,343.74-4,683.26

Finding the Fourth Proportional to 8,220.36, 11,343.74 and 4,683.26

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Solution

The fourth proportional to 8,220.36, 11,343.74 and 4,683.26 is: 6,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.36 : 11,343.74 = 4,683.26 : x
  2. Step 2: Convert to fraction form
    8,220.36/11,343.74 = 4,683.26/x
  3. Step 3: Cross multiply
    8,220.36x = 11,343.74 × 4,683.26
  4. Step 4: Simplify right side
    8,220.36x = 53,125,683.79
  5. Step 5: Solve for x
    x = 53,125,683.79/8,220.36
  6. Step 6: Final answer
    x = 6,462.70

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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.