Home / 11,133.10-16,699.70-9,043.18

Finding the Fourth Proportional to 11,133.10, 16,699.70 and 9,043.18

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Solution

The fourth proportional to 11,133.10, 16,699.70 and 9,043.18 is: 13,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.10 : 16,699.70 = 9,043.18 : x
  2. Step 2: Convert to fraction form
    11,133.10/16,699.70 = 9,043.18/x
  3. Step 3: Cross multiply
    11,133.10x = 16,699.70 × 9,043.18
  4. Step 4: Simplify right side
    11,133.10x = 151,018,393.05
  5. Step 5: Solve for x
    x = 151,018,393.05/11,133.10
  6. Step 6: Final answer
    x = 13,564.81

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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.