Home / 11,524.86-15,904.16-6,489.58

Finding the Fourth Proportional to 11,524.86, 15,904.16 and 6,489.58

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Solution

The fourth proportional to 11,524.86, 15,904.16 and 6,489.58 is: 8,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,524.86 : 15,904.16 = 6,489.58 : x
  2. Step 2: Convert to fraction form
    11,524.86/15,904.16 = 6,489.58/x
  3. Step 3: Cross multiply
    11,524.86x = 15,904.16 × 6,489.58
  4. Step 4: Simplify right side
    11,524.86x = 103,211,332.09
  5. Step 5: Solve for x
    x = 103,211,332.09/11,524.86
  6. Step 6: Final answer
    x = 8,955.54

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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.