Home / 11,072.63-15,280.23-6,358.43

Finding the Fourth Proportional to 11,072.63, 15,280.23 and 6,358.43

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Solution

The fourth proportional to 11,072.63, 15,280.23 and 6,358.43 is: 8,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.63 : 15,280.23 = 6,358.43 : x
  2. Step 2: Convert to fraction form
    11,072.63/15,280.23 = 6,358.43/x
  3. Step 3: Cross multiply
    11,072.63x = 15,280.23 × 6,358.43
  4. Step 4: Simplify right side
    11,072.63x = 97,158,196.44
  5. Step 5: Solve for x
    x = 97,158,196.44/11,072.63
  6. Step 6: Final answer
    x = 8,774.63

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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.