Home / 8,520.18-11,757.87-4,794.18

Finding the Fourth Proportional to 8,520.18, 11,757.87 and 4,794.18

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Solution

The fourth proportional to 8,520.18, 11,757.87 and 4,794.18 is: 6,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.18 : 11,757.87 = 4,794.18 : x
  2. Step 2: Convert to fraction form
    8,520.18/11,757.87 = 4,794.18/x
  3. Step 3: Cross multiply
    8,520.18x = 11,757.87 × 4,794.18
  4. Step 4: Simplify right side
    8,520.18x = 56,369,345.20
  5. Step 5: Solve for x
    x = 56,369,345.20/8,520.18
  6. Step 6: Final answer
    x = 6,615.98

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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.