Home / 11,862.95-17,795.64-4,070.75

Finding the Fourth Proportional to 11,862.95, 17,795.64 and 4,070.75

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Solution

The fourth proportional to 11,862.95, 17,795.64 and 4,070.75 is: 6,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.95 : 17,795.64 = 4,070.75 : x
  2. Step 2: Convert to fraction form
    11,862.95/17,795.64 = 4,070.75/x
  3. Step 3: Cross multiply
    11,862.95x = 17,795.64 × 4,070.75
  4. Step 4: Simplify right side
    11,862.95x = 72,441,601.53
  5. Step 5: Solve for x
    x = 72,441,601.53/11,862.95
  6. Step 6: Final answer
    x = 6,106.54

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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.