Home / 7,373.20-10,175.14-4,186.40

Finding the Fourth Proportional to 7,373.20, 10,175.14 and 4,186.40

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Solution

The fourth proportional to 7,373.20, 10,175.14 and 4,186.40 is: 5,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.20 : 10,175.14 = 4,186.40 : x
  2. Step 2: Convert to fraction form
    7,373.20/10,175.14 = 4,186.40/x
  3. Step 3: Cross multiply
    7,373.20x = 10,175.14 × 4,186.40
  4. Step 4: Simplify right side
    7,373.20x = 42,597,206.10
  5. Step 5: Solve for x
    x = 42,597,206.10/7,373.20
  6. Step 6: Final answer
    x = 5,777.30

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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.