Home / 11,072.58-15,280.92-6,767.52

Finding the Fourth Proportional to 11,072.58, 15,280.92 and 6,767.52

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Solution

The fourth proportional to 11,072.58, 15,280.92 and 6,767.52 is: 9,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.58 : 15,280.92 = 6,767.52 : x
  2. Step 2: Convert to fraction form
    11,072.58/15,280.92 = 6,767.52/x
  3. Step 3: Cross multiply
    11,072.58x = 15,280.92 × 6,767.52
  4. Step 4: Simplify right side
    11,072.58x = 103,413,931.72
  5. Step 5: Solve for x
    x = 103,413,931.72/11,072.58
  6. Step 6: Final answer
    x = 9,339.64

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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.