Home / 9,618.65-13,274.40-5,370.54

Finding the Fourth Proportional to 9,618.65, 13,274.40 and 5,370.54

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Solution

The fourth proportional to 9,618.65, 13,274.40 and 5,370.54 is: 7,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.65 : 13,274.40 = 5,370.54 : x
  2. Step 2: Convert to fraction form
    9,618.65/13,274.40 = 5,370.54/x
  3. Step 3: Cross multiply
    9,618.65x = 13,274.40 × 5,370.54
  4. Step 4: Simplify right side
    9,618.65x = 71,290,696.18
  5. Step 5: Solve for x
    x = 71,290,696.18/9,618.65
  6. Step 6: Final answer
    x = 7,411.72

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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.