Home / 11,807.28-17,710.68-3,042.12

Finding the Fourth Proportional to 11,807.28, 17,710.68 and 3,042.12

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Solution

The fourth proportional to 11,807.28, 17,710.68 and 3,042.12 is: 4,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.28 : 17,710.68 = 3,042.12 : x
  2. Step 2: Convert to fraction form
    11,807.28/17,710.68 = 3,042.12/x
  3. Step 3: Cross multiply
    11,807.28x = 17,710.68 × 3,042.12
  4. Step 4: Simplify right side
    11,807.28x = 53,878,013.84
  5. Step 5: Solve for x
    x = 53,878,013.84/11,807.28
  6. Step 6: Final answer
    x = 4,563.12

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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.