Home / 8,330.13-12,492.63-3,649.95

Finding the Fourth Proportional to 8,330.13, 12,492.63 and 3,649.95

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Solution

The fourth proportional to 8,330.13, 12,492.63 and 3,649.95 is: 5,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.13 : 12,492.63 = 3,649.95 : x
  2. Step 2: Convert to fraction form
    8,330.13/12,492.63 = 3,649.95/x
  3. Step 3: Cross multiply
    8,330.13x = 12,492.63 × 3,649.95
  4. Step 4: Simplify right side
    8,330.13x = 45,597,474.87
  5. Step 5: Solve for x
    x = 45,597,474.87/8,330.13
  6. Step 6: Final answer
    x = 5,473.80

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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.