Home / 9,075.05-12,546.03-8,991.93

Finding the Fourth Proportional to 9,075.05, 12,546.03 and 8,991.93

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Solution

The fourth proportional to 9,075.05, 12,546.03 and 8,991.93 is: 12,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.05 : 12,546.03 = 8,991.93 : x
  2. Step 2: Convert to fraction form
    9,075.05/12,546.03 = 8,991.93/x
  3. Step 3: Cross multiply
    9,075.05x = 12,546.03 × 8,991.93
  4. Step 4: Simplify right side
    9,075.05x = 112,813,023.54
  5. Step 5: Solve for x
    x = 112,813,023.54/9,075.05
  6. Step 6: Final answer
    x = 12,431.12

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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.