Home / 8,625.11-12,931.11-4,462.47

Finding the Fourth Proportional to 8,625.11, 12,931.11 and 4,462.47

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Solution

The fourth proportional to 8,625.11, 12,931.11 and 4,462.47 is: 6,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.11 : 12,931.11 = 4,462.47 : x
  2. Step 2: Convert to fraction form
    8,625.11/12,931.11 = 4,462.47/x
  3. Step 3: Cross multiply
    8,625.11x = 12,931.11 × 4,462.47
  4. Step 4: Simplify right side
    8,625.11x = 57,704,690.44
  5. Step 5: Solve for x
    x = 57,704,690.44/8,625.11
  6. Step 6: Final answer
    x = 6,690.32

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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.