Home / 10,133.12-15,171.69-5,192.12

Finding the Fourth Proportional to 10,133.12, 15,171.69 and 5,192.12

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Solution

The fourth proportional to 10,133.12, 15,171.69 and 5,192.12 is: 7,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.12 : 15,171.69 = 5,192.12 : x
  2. Step 2: Convert to fraction form
    10,133.12/15,171.69 = 5,192.12/x
  3. Step 3: Cross multiply
    10,133.12x = 15,171.69 × 5,192.12
  4. Step 4: Simplify right side
    10,133.12x = 78,773,235.08
  5. Step 5: Solve for x
    x = 78,773,235.08/10,133.12
  6. Step 6: Final answer
    x = 7,773.84

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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.