Home / 8,520.02-11,756.79-4,982.54

Finding the Fourth Proportional to 8,520.02, 11,756.79 and 4,982.54

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Solution

The fourth proportional to 8,520.02, 11,756.79 and 4,982.54 is: 6,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.02 : 11,756.79 = 4,982.54 : x
  2. Step 2: Convert to fraction form
    8,520.02/11,756.79 = 4,982.54/x
  3. Step 3: Cross multiply
    8,520.02x = 11,756.79 × 4,982.54
  4. Step 4: Simplify right side
    8,520.02x = 58,578,676.45
  5. Step 5: Solve for x
    x = 58,578,676.45/8,520.02
  6. Step 6: Final answer
    x = 6,875.42

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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.