Home / 7,212.85-9,950.17-4,696.43

Finding the Fourth Proportional to 7,212.85, 9,950.17 and 4,696.43

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Solution

The fourth proportional to 7,212.85, 9,950.17 and 4,696.43 is: 6,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.85 : 9,950.17 = 4,696.43 : x
  2. Step 2: Convert to fraction form
    7,212.85/9,950.17 = 4,696.43/x
  3. Step 3: Cross multiply
    7,212.85x = 9,950.17 × 4,696.43
  4. Step 4: Simplify right side
    7,212.85x = 46,730,266.97
  5. Step 5: Solve for x
    x = 46,730,266.97/7,212.85
  6. Step 6: Final answer
    x = 6,478.75

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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.