Home / 7,969.19-11,957.90-3,585.74

Finding the Fourth Proportional to 7,969.19, 11,957.90 and 3,585.74

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Solution

The fourth proportional to 7,969.19, 11,957.90 and 3,585.74 is: 5,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.19 : 11,957.90 = 3,585.74 : x
  2. Step 2: Convert to fraction form
    7,969.19/11,957.90 = 3,585.74/x
  3. Step 3: Cross multiply
    7,969.19x = 11,957.90 × 3,585.74
  4. Step 4: Simplify right side
    7,969.19x = 42,877,842.63
  5. Step 5: Solve for x
    x = 42,877,842.63/7,969.19
  6. Step 6: Final answer
    x = 5,380.46

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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.