Home / 10,075.52-15,119.36-7,177.92

Finding the Fourth Proportional to 10,075.52, 15,119.36 and 7,177.92

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Solution

The fourth proportional to 10,075.52, 15,119.36 and 7,177.92 is: 10,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.52 : 15,119.36 = 7,177.92 : x
  2. Step 2: Convert to fraction form
    10,075.52/15,119.36 = 7,177.92/x
  3. Step 3: Cross multiply
    10,075.52x = 15,119.36 × 7,177.92
  4. Step 4: Simplify right side
    10,075.52x = 108,525,556.53
  5. Step 5: Solve for x
    x = 108,525,556.53/10,075.52
  6. Step 6: Final answer
    x = 10,771.21

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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.