Home / 10,380.60-15,546.60-7,075.80

Finding the Fourth Proportional to 10,380.60, 15,546.60 and 7,075.80

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Solution

The fourth proportional to 10,380.60, 15,546.60 and 7,075.80 is: 10,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.60 : 15,546.60 = 7,075.80 : x
  2. Step 2: Convert to fraction form
    10,380.60/15,546.60 = 7,075.80/x
  3. Step 3: Cross multiply
    10,380.60x = 15,546.60 × 7,075.80
  4. Step 4: Simplify right side
    10,380.60x = 110,004,632.28
  5. Step 5: Solve for x
    x = 110,004,632.28/10,380.60
  6. Step 6: Final answer
    x = 10,597.14

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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.