Home / 9,511.41-13,125.49-5,262.65

Finding the Fourth Proportional to 9,511.41, 13,125.49 and 5,262.65

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Solution

The fourth proportional to 9,511.41, 13,125.49 and 5,262.65 is: 7,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.41 : 13,125.49 = 5,262.65 : x
  2. Step 2: Convert to fraction form
    9,511.41/13,125.49 = 5,262.65/x
  3. Step 3: Cross multiply
    9,511.41x = 13,125.49 × 5,262.65
  4. Step 4: Simplify right side
    9,511.41x = 69,074,859.95
  5. Step 5: Solve for x
    x = 69,074,859.95/9,511.41
  6. Step 6: Final answer
    x = 7,262.32

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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.