Home / 13,100.24-18,075.66-7,357.88

Finding the Fourth Proportional to 13,100.24, 18,075.66 and 7,357.88

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Solution

The fourth proportional to 13,100.24, 18,075.66 and 7,357.88 is: 10,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.24 : 18,075.66 = 7,357.88 : x
  2. Step 2: Convert to fraction form
    13,100.24/18,075.66 = 7,357.88/x
  3. Step 3: Cross multiply
    13,100.24x = 18,075.66 × 7,357.88
  4. Step 4: Simplify right side
    13,100.24x = 132,998,537.20
  5. Step 5: Solve for x
    x = 132,998,537.20/13,100.24
  6. Step 6: Final answer
    x = 10,152.37

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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.