Home / 11,242.37-16,866.90-3,345.14

Finding the Fourth Proportional to 11,242.37, 16,866.90 and 3,345.14

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Solution

The fourth proportional to 11,242.37, 16,866.90 and 3,345.14 is: 5,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.37 : 16,866.90 = 3,345.14 : x
  2. Step 2: Convert to fraction form
    11,242.37/16,866.90 = 3,345.14/x
  3. Step 3: Cross multiply
    11,242.37x = 16,866.90 × 3,345.14
  4. Step 4: Simplify right side
    11,242.37x = 56,422,057.53
  5. Step 5: Solve for x
    x = 56,422,057.53/11,242.37
  6. Step 6: Final answer
    x = 5,018.70

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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.