Home / 11,203.14-16,800.18-4,878.48

Finding the Fourth Proportional to 11,203.14, 16,800.18 and 4,878.48

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Solution

The fourth proportional to 11,203.14, 16,800.18 and 4,878.48 is: 7,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.14 : 16,800.18 = 4,878.48 : x
  2. Step 2: Convert to fraction form
    11,203.14/16,800.18 = 4,878.48/x
  3. Step 3: Cross multiply
    11,203.14x = 16,800.18 × 4,878.48
  4. Step 4: Simplify right side
    11,203.14x = 81,959,342.13
  5. Step 5: Solve for x
    x = 81,959,342.13/11,203.14
  6. Step 6: Final answer
    x = 7,315.75

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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.