Home / 11,535.12-15,917.16-6,498.96

Finding the Fourth Proportional to 11,535.12, 15,917.16 and 6,498.96

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Solution

The fourth proportional to 11,535.12, 15,917.16 and 6,498.96 is: 8,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.12 : 15,917.16 = 6,498.96 : x
  2. Step 2: Convert to fraction form
    11,535.12/15,917.16 = 6,498.96/x
  3. Step 3: Cross multiply
    11,535.12x = 15,917.16 × 6,498.96
  4. Step 4: Simplify right side
    11,535.12x = 103,444,986.15
  5. Step 5: Solve for x
    x = 103,444,986.15/11,535.12
  6. Step 6: Final answer
    x = 8,967.83

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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.