Home / 11,540.64-15,926.95-6,505.33

Finding the Fourth Proportional to 11,540.64, 15,926.95 and 6,505.33

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Solution

The fourth proportional to 11,540.64, 15,926.95 and 6,505.33 is: 8,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.64 : 15,926.95 = 6,505.33 : x
  2. Step 2: Convert to fraction form
    11,540.64/15,926.95 = 6,505.33/x
  3. Step 3: Cross multiply
    11,540.64x = 15,926.95 × 6,505.33
  4. Step 4: Simplify right side
    11,540.64x = 103,610,065.64
  5. Step 5: Solve for x
    x = 103,610,065.64/11,540.64
  6. Step 6: Final answer
    x = 8,977.84

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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.