Home / 12,102.11-18,155.01-6,175.77

Finding the Fourth Proportional to 12,102.11, 18,155.01 and 6,175.77

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Solution

The fourth proportional to 12,102.11, 18,155.01 and 6,175.77 is: 9,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.11 : 18,155.01 = 6,175.77 : x
  2. Step 2: Convert to fraction form
    12,102.11/18,155.01 = 6,175.77/x
  3. Step 3: Cross multiply
    12,102.11x = 18,155.01 × 6,175.77
  4. Step 4: Simplify right side
    12,102.11x = 112,121,075.33
  5. Step 5: Solve for x
    x = 112,121,075.33/12,102.11
  6. Step 6: Final answer
    x = 9,264.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.