Home / 12,360.20-17,037.09-9,666.63

Finding the Fourth Proportional to 12,360.20, 17,037.09 and 9,666.63

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Solution

The fourth proportional to 12,360.20, 17,037.09 and 9,666.63 is: 13,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.20 : 17,037.09 = 9,666.63 : x
  2. Step 2: Convert to fraction form
    12,360.20/17,037.09 = 9,666.63/x
  3. Step 3: Cross multiply
    12,360.20x = 17,037.09 × 9,666.63
  4. Step 4: Simplify right side
    12,360.20x = 164,691,245.31
  5. Step 5: Solve for x
    x = 164,691,245.31/12,360.20
  6. Step 6: Final answer
    x = 13,324.32

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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.