Home / 11,018.40-16,530.10-3,622.93

Finding the Fourth Proportional to 11,018.40, 16,530.10 and 3,622.93

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Solution

The fourth proportional to 11,018.40, 16,530.10 and 3,622.93 is: 5,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.40 : 16,530.10 = 3,622.93 : x
  2. Step 2: Convert to fraction form
    11,018.40/16,530.10 = 3,622.93/x
  3. Step 3: Cross multiply
    11,018.40x = 16,530.10 × 3,622.93
  4. Step 4: Simplify right side
    11,018.40x = 59,887,355.00
  5. Step 5: Solve for x
    x = 59,887,355.00/11,018.40
  6. Step 6: Final answer
    x = 5,435.21

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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.