Home / 9,768.31-13,480.95-5,576.56

Finding the Fourth Proportional to 9,768.31, 13,480.95 and 5,576.56

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Solution

The fourth proportional to 9,768.31, 13,480.95 and 5,576.56 is: 7,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.31 : 13,480.95 = 5,576.56 : x
  2. Step 2: Convert to fraction form
    9,768.31/13,480.95 = 5,576.56/x
  3. Step 3: Cross multiply
    9,768.31x = 13,480.95 × 5,576.56
  4. Step 4: Simplify right side
    9,768.31x = 75,177,326.53
  5. Step 5: Solve for x
    x = 75,177,326.53/9,768.31
  6. Step 6: Final answer
    x = 7,696.04

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1.5x scale

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.