Home / 9,768.16-13,480.14-5,291.96

Finding the Fourth Proportional to 9,768.16, 13,480.14 and 5,291.96

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Solution

The fourth proportional to 9,768.16, 13,480.14 and 5,291.96 is: 7,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.16 : 13,480.14 = 5,291.96 : x
  2. Step 2: Convert to fraction form
    9,768.16/13,480.14 = 5,291.96/x
  3. Step 3: Cross multiply
    9,768.16x = 13,480.14 × 5,291.96
  4. Step 4: Simplify right side
    9,768.16x = 71,336,361.67
  5. Step 5: Solve for x
    x = 71,336,361.67/9,768.16
  6. Step 6: Final answer
    x = 7,302.95

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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.