Home / 7,718.78-11,576.44-4,599.68

Finding the Fourth Proportional to 7,718.78, 11,576.44 and 4,599.68

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Solution

The fourth proportional to 7,718.78, 11,576.44 and 4,599.68 is: 6,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.78 : 11,576.44 = 4,599.68 : x
  2. Step 2: Convert to fraction form
    7,718.78/11,576.44 = 4,599.68/x
  3. Step 3: Cross multiply
    7,718.78x = 11,576.44 × 4,599.68
  4. Step 4: Simplify right side
    7,718.78x = 53,247,841.53
  5. Step 5: Solve for x
    x = 53,247,841.53/7,718.78
  6. Step 6: Final answer
    x = 6,898.48

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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.