Home / 8,176.02-11,283.20-4,821.72

Finding the Fourth Proportional to 8,176.02, 11,283.20 and 4,821.72

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Solution

The fourth proportional to 8,176.02, 11,283.20 and 4,821.72 is: 6,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.02 : 11,283.20 = 4,821.72 : x
  2. Step 2: Convert to fraction form
    8,176.02/11,283.20 = 4,821.72/x
  3. Step 3: Cross multiply
    8,176.02x = 11,283.20 × 4,821.72
  4. Step 4: Simplify right side
    8,176.02x = 54,404,431.10
  5. Step 5: Solve for x
    x = 54,404,431.10/8,176.02
  6. Step 6: Final answer
    x = 6,654.15

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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.