Home / 11,540.64-15,925.32-6,759.84

Finding the Fourth Proportional to 11,540.64, 15,925.32 and 6,759.84

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Solution

The fourth proportional to 11,540.64, 15,925.32 and 6,759.84 is: 9,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.64 : 15,925.32 = 6,759.84 : x
  2. Step 2: Convert to fraction form
    11,540.64/15,925.32 = 6,759.84/x
  3. Step 3: Cross multiply
    11,540.64x = 15,925.32 × 6,759.84
  4. Step 4: Simplify right side
    11,540.64x = 107,652,615.15
  5. Step 5: Solve for x
    x = 107,652,615.15/11,540.64
  6. Step 6: Final answer
    x = 9,328.13

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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.