Home / 9,511.35-13,124.48-5,261.82

Finding the Fourth Proportional to 9,511.35, 13,124.48 and 5,261.82

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Solution

The fourth proportional to 9,511.35, 13,124.48 and 5,261.82 is: 7,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.35 : 13,124.48 = 5,261.82 : x
  2. Step 2: Convert to fraction form
    9,511.35/13,124.48 = 5,261.82/x
  3. Step 3: Cross multiply
    9,511.35x = 13,124.48 × 5,261.82
  4. Step 4: Simplify right side
    9,511.35x = 69,058,625.04
  5. Step 5: Solve for x
    x = 69,058,625.04/9,511.35
  6. Step 6: Final answer
    x = 7,260.65

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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.