Home / 11,072.84-15,283.49-7,486.16

Finding the Fourth Proportional to 11,072.84, 15,283.49 and 7,486.16

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Solution

The fourth proportional to 11,072.84, 15,283.49 and 7,486.16 is: 10,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.84 : 15,283.49 = 7,486.16 : x
  2. Step 2: Convert to fraction form
    11,072.84/15,283.49 = 7,486.16/x
  3. Step 3: Cross multiply
    11,072.84x = 15,283.49 × 7,486.16
  4. Step 4: Simplify right side
    11,072.84x = 114,414,537.65
  5. Step 5: Solve for x
    x = 114,414,537.65/11,072.84
  6. Step 6: Final answer
    x = 10,332.90

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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.