Home / 11,224.71-15,488.55-6,747.57

Finding the Fourth Proportional to 11,224.71, 15,488.55 and 6,747.57

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Solution

The fourth proportional to 11,224.71, 15,488.55 and 6,747.57 is: 9,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.71 : 15,488.55 = 6,747.57 : x
  2. Step 2: Convert to fraction form
    11,224.71/15,488.55 = 6,747.57/x
  3. Step 3: Cross multiply
    11,224.71x = 15,488.55 × 6,747.57
  4. Step 4: Simplify right side
    11,224.71x = 104,510,075.32
  5. Step 5: Solve for x
    x = 104,510,075.32/11,224.71
  6. Step 6: Final answer
    x = 9,310.71

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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.