Home / 11,075.85-15,286.11-6,360.15

Finding the Fourth Proportional to 11,075.85, 15,286.11 and 6,360.15

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Solution

The fourth proportional to 11,075.85, 15,286.11 and 6,360.15 is: 8,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.85 : 15,286.11 = 6,360.15 : x
  2. Step 2: Convert to fraction form
    11,075.85/15,286.11 = 6,360.15/x
  3. Step 3: Cross multiply
    11,075.85x = 15,286.11 × 6,360.15
  4. Step 4: Simplify right side
    11,075.85x = 97,221,952.52
  5. Step 5: Solve for x
    x = 97,221,952.52/11,075.85
  6. Step 6: Final answer
    x = 8,777.83

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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.