Home / 7,333.12-10,119.18-4,189.24

Finding the Fourth Proportional to 7,333.12, 10,119.18 and 4,189.24

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Solution

The fourth proportional to 7,333.12, 10,119.18 and 4,189.24 is: 5,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.12 : 10,119.18 = 4,189.24 : x
  2. Step 2: Convert to fraction form
    7,333.12/10,119.18 = 4,189.24/x
  3. Step 3: Cross multiply
    7,333.12x = 10,119.18 × 4,189.24
  4. Step 4: Simplify right side
    7,333.12x = 42,391,673.62
  5. Step 5: Solve for x
    x = 42,391,673.62/7,333.12
  6. Step 6: Final answer
    x = 5,780.85

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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.