Home / 8,271.78-11,416.02-4,735.50

Finding the Fourth Proportional to 8,271.78, 11,416.02 and 4,735.50

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Solution

The fourth proportional to 8,271.78, 11,416.02 and 4,735.50 is: 6,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.78 : 11,416.02 = 4,735.50 : x
  2. Step 2: Convert to fraction form
    8,271.78/11,416.02 = 4,735.50/x
  3. Step 3: Cross multiply
    8,271.78x = 11,416.02 × 4,735.50
  4. Step 4: Simplify right side
    8,271.78x = 54,060,562.71
  5. Step 5: Solve for x
    x = 54,060,562.71/8,271.78
  6. Step 6: Final answer
    x = 6,535.54

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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.