Home / 8,075.70-11,144.10-4,718.82

Finding the Fourth Proportional to 8,075.70, 11,144.10 and 4,718.82

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Solution

The fourth proportional to 8,075.70, 11,144.10 and 4,718.82 is: 6,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.70 : 11,144.10 = 4,718.82 : x
  2. Step 2: Convert to fraction form
    8,075.70/11,144.10 = 4,718.82/x
  3. Step 3: Cross multiply
    8,075.70x = 11,144.10 × 4,718.82
  4. Step 4: Simplify right side
    8,075.70x = 52,587,001.96
  5. Step 5: Solve for x
    x = 52,587,001.96/8,075.70
  6. Step 6: Final answer
    x = 6,511.76

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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.