Home / 8,320.16-11,481.82-4,784.06

Finding the Fourth Proportional to 8,320.16, 11,481.82 and 4,784.06

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Solution

The fourth proportional to 8,320.16, 11,481.82 and 4,784.06 is: 6,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.16 : 11,481.82 = 4,784.06 : x
  2. Step 2: Convert to fraction form
    8,320.16/11,481.82 = 4,784.06/x
  3. Step 3: Cross multiply
    8,320.16x = 11,481.82 × 4,784.06
  4. Step 4: Simplify right side
    8,320.16x = 54,929,715.79
  5. Step 5: Solve for x
    x = 54,929,715.79/8,320.16
  6. Step 6: Final answer
    x = 6,602.00

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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.