Home / 10,066.80-15,102.30-3,047.32

Finding the Fourth Proportional to 10,066.80, 15,102.30 and 3,047.32

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Solution

The fourth proportional to 10,066.80, 15,102.30 and 3,047.32 is: 4,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.80 : 15,102.30 = 3,047.32 : x
  2. Step 2: Convert to fraction form
    10,066.80/15,102.30 = 3,047.32/x
  3. Step 3: Cross multiply
    10,066.80x = 15,102.30 × 3,047.32
  4. Step 4: Simplify right side
    10,066.80x = 46,021,540.84
  5. Step 5: Solve for x
    x = 46,021,540.84/10,066.80
  6. Step 6: Final answer
    x = 4,571.62

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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.