Home / 8,520.04-11,757.64-4,982.52

Finding the Fourth Proportional to 8,520.04, 11,757.64 and 4,982.52

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Solution

The fourth proportional to 8,520.04, 11,757.64 and 4,982.52 is: 6,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.04 : 11,757.64 = 4,982.52 : x
  2. Step 2: Convert to fraction form
    8,520.04/11,757.64 = 4,982.52/x
  3. Step 3: Cross multiply
    8,520.04x = 11,757.64 × 4,982.52
  4. Step 4: Simplify right side
    8,520.04x = 58,582,676.45
  5. Step 5: Solve for x
    x = 58,582,676.45/8,520.04
  6. Step 6: Final answer
    x = 6,875.87

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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.