Home / 13,093.36-18,075.52-8,866.76

Finding the Fourth Proportional to 13,093.36, 18,075.52 and 8,866.76

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Solution

The fourth proportional to 13,093.36, 18,075.52 and 8,866.76 is: 12,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.36 : 18,075.52 = 8,866.76 : x
  2. Step 2: Convert to fraction form
    13,093.36/18,075.52 = 8,866.76/x
  3. Step 3: Cross multiply
    13,093.36x = 18,075.52 × 8,866.76
  4. Step 4: Simplify right side
    13,093.36x = 160,271,297.72
  5. Step 5: Solve for x
    x = 160,271,297.72/13,093.36
  6. Step 6: Final answer
    x = 12,240.65

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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.