Home / 11,505.58-15,876.54-6,468.59

Finding the Fourth Proportional to 11,505.58, 15,876.54 and 6,468.59

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Solution

The fourth proportional to 11,505.58, 15,876.54 and 6,468.59 is: 8,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.58 : 15,876.54 = 6,468.59 : x
  2. Step 2: Convert to fraction form
    11,505.58/15,876.54 = 6,468.59/x
  3. Step 3: Cross multiply
    11,505.58x = 15,876.54 × 6,468.59
  4. Step 4: Simplify right side
    11,505.58x = 102,698,867.57
  5. Step 5: Solve for x
    x = 102,698,867.57/11,505.58
  6. Step 6: Final answer
    x = 8,926.01

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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.