Home / 8,220.48-11,343.52-4,683.64

Finding the Fourth Proportional to 8,220.48, 11,343.52 and 4,683.64

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Solution

The fourth proportional to 8,220.48, 11,343.52 and 4,683.64 is: 6,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.48 : 11,343.52 = 4,683.64 : x
  2. Step 2: Convert to fraction form
    8,220.48/11,343.52 = 4,683.64/x
  3. Step 3: Cross multiply
    8,220.48x = 11,343.52 × 4,683.64
  4. Step 4: Simplify right side
    8,220.48x = 53,128,964.01
  5. Step 5: Solve for x
    x = 53,128,964.01/8,220.48
  6. Step 6: Final answer
    x = 6,463.00

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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.