Home / 8,072.07-11,140.37-4,715.97

Finding the Fourth Proportional to 8,072.07, 11,140.37 and 4,715.97

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Solution

The fourth proportional to 8,072.07, 11,140.37 and 4,715.97 is: 6,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.07 : 11,140.37 = 4,715.97 : x
  2. Step 2: Convert to fraction form
    8,072.07/11,140.37 = 4,715.97/x
  3. Step 3: Cross multiply
    8,072.07x = 11,140.37 × 4,715.97
  4. Step 4: Simplify right side
    8,072.07x = 52,537,650.71
  5. Step 5: Solve for x
    x = 52,537,650.71/8,072.07
  6. Step 6: Final answer
    x = 6,508.57

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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.