Home / 7,511.63-11,268.10-1,964.95

Finding the Fourth Proportional to 7,511.63, 11,268.10 and 1,964.95

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Solution

The fourth proportional to 7,511.63, 11,268.10 and 1,964.95 is: 2,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.63 : 11,268.10 = 1,964.95 : x
  2. Step 2: Convert to fraction form
    7,511.63/11,268.10 = 1,964.95/x
  3. Step 3: Cross multiply
    7,511.63x = 11,268.10 × 1,964.95
  4. Step 4: Simplify right side
    7,511.63x = 22,141,186.93
  5. Step 5: Solve for x
    x = 22,141,186.93/7,511.63
  6. Step 6: Final answer
    x = 2,947.59

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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.