Home / 8,555.18-12,832.76-4,651.38

Finding the Fourth Proportional to 8,555.18, 12,832.76 and 4,651.38

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Solution

The fourth proportional to 8,555.18, 12,832.76 and 4,651.38 is: 6,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.18 : 12,832.76 = 4,651.38 : x
  2. Step 2: Convert to fraction form
    8,555.18/12,832.76 = 4,651.38/x
  3. Step 3: Cross multiply
    8,555.18x = 12,832.76 × 4,651.38
  4. Step 4: Simplify right side
    8,555.18x = 59,690,043.21
  5. Step 5: Solve for x
    x = 59,690,043.21/8,555.18
  6. Step 6: Final answer
    x = 6,977.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.