Home / 11,075.56-15,281.13-6,825.22

Finding the Fourth Proportional to 11,075.56, 15,281.13 and 6,825.22

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Solution

The fourth proportional to 11,075.56, 15,281.13 and 6,825.22 is: 9,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.56 : 15,281.13 = 6,825.22 : x
  2. Step 2: Convert to fraction form
    11,075.56/15,281.13 = 6,825.22/x
  3. Step 3: Cross multiply
    11,075.56x = 15,281.13 × 6,825.22
  4. Step 4: Simplify right side
    11,075.56x = 104,297,074.10
  5. Step 5: Solve for x
    x = 104,297,074.10/11,075.56
  6. Step 6: Final answer
    x = 9,416.87

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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.