Home / 10,133.63-13,953.45-9,183.24

Finding the Fourth Proportional to 10,133.63, 13,953.45 and 9,183.24

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Solution

The fourth proportional to 10,133.63, 13,953.45 and 9,183.24 is: 12,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.63 : 13,953.45 = 9,183.24 : x
  2. Step 2: Convert to fraction form
    10,133.63/13,953.45 = 9,183.24/x
  3. Step 3: Cross multiply
    10,133.63x = 13,953.45 × 9,183.24
  4. Step 4: Simplify right side
    10,133.63x = 128,137,914.62
  5. Step 5: Solve for x
    x = 128,137,914.62/10,133.63
  6. Step 6: Final answer
    x = 12,644.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.