Home / 13,075.24-18,043.94-7,106.92

Finding the Fourth Proportional to 13,075.24, 18,043.94 and 7,106.92

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Solution

The fourth proportional to 13,075.24, 18,043.94 and 7,106.92 is: 9,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.24 : 18,043.94 = 7,106.92 : x
  2. Step 2: Convert to fraction form
    13,075.24/18,043.94 = 7,106.92/x
  3. Step 3: Cross multiply
    13,075.24x = 18,043.94 × 7,106.92
  4. Step 4: Simplify right side
    13,075.24x = 128,236,747.85
  5. Step 5: Solve for x
    x = 128,236,747.85/13,075.24
  6. Step 6: Final answer
    x = 9,807.61

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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.