Home / 9,511.98-13,127.26-5,480.06

Finding the Fourth Proportional to 9,511.98, 13,127.26 and 5,480.06

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Solution

The fourth proportional to 9,511.98, 13,127.26 and 5,480.06 is: 7,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.98 : 13,127.26 = 5,480.06 : x
  2. Step 2: Convert to fraction form
    9,511.98/13,127.26 = 5,480.06/x
  3. Step 3: Cross multiply
    9,511.98x = 13,127.26 × 5,480.06
  4. Step 4: Simplify right side
    9,511.98x = 71,938,106.80
  5. Step 5: Solve for x
    x = 71,938,106.80/9,511.98
  6. Step 6: Final answer
    x = 7,562.90

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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.