Home / 11,826.79-16,344.48-9,699.01

Finding the Fourth Proportional to 11,826.79, 16,344.48 and 9,699.01

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Solution

The fourth proportional to 11,826.79, 16,344.48 and 9,699.01 is: 13,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.79 : 16,344.48 = 9,699.01 : x
  2. Step 2: Convert to fraction form
    11,826.79/16,344.48 = 9,699.01/x
  3. Step 3: Cross multiply
    11,826.79x = 16,344.48 × 9,699.01
  4. Step 4: Simplify right side
    11,826.79x = 158,525,274.96
  5. Step 5: Solve for x
    x = 158,525,274.96/11,826.79
  6. Step 6: Final answer
    x = 13,403.91

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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.