Home / 8,075.98-11,145-4,539.19

Finding the Fourth Proportional to 8,075.98, 11,145 and 4,539.19

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Solution

The fourth proportional to 8,075.98, 11,145 and 4,539.19 is: 6,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.98 : 11,145 = 4,539.19 : x
  2. Step 2: Convert to fraction form
    8,075.98/11,145 = 4,539.19/x
  3. Step 3: Cross multiply
    8,075.98x = 11,145 × 4,539.19
  4. Step 4: Simplify right side
    8,075.98x = 50,589,272.55
  5. Step 5: Solve for x
    x = 50,589,272.55/8,075.98
  6. Step 6: Final answer
    x = 6,264.17

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Half scale
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Double scale
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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.