Home / 9,472.73-13,075.97-7,121.70

Finding the Fourth Proportional to 9,472.73, 13,075.97 and 7,121.70

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Solution

The fourth proportional to 9,472.73, 13,075.97 and 7,121.70 is: 9,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.73 : 13,075.97 = 7,121.70 : x
  2. Step 2: Convert to fraction form
    9,472.73/13,075.97 = 7,121.70/x
  3. Step 3: Cross multiply
    9,472.73x = 13,075.97 × 7,121.70
  4. Step 4: Simplify right side
    9,472.73x = 93,123,099.94
  5. Step 5: Solve for x
    x = 93,123,099.94/9,472.73
  6. Step 6: Final answer
    x = 9,830.66

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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.