Home / 8,140.83-11,234.58-4,603.98

Finding the Fourth Proportional to 8,140.83, 11,234.58 and 4,603.98

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Solution

The fourth proportional to 8,140.83, 11,234.58 and 4,603.98 is: 6,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.83 : 11,234.58 = 4,603.98 : x
  2. Step 2: Convert to fraction form
    8,140.83/11,234.58 = 4,603.98/x
  3. Step 3: Cross multiply
    8,140.83x = 11,234.58 × 4,603.98
  4. Step 4: Simplify right side
    8,140.83x = 51,723,781.63
  5. Step 5: Solve for x
    x = 51,723,781.63/8,140.83
  6. Step 6: Final answer
    x = 6,353.63

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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.