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Finding the Fourth Proportional to 6,953.88, 10,434.86 and 4,185.88

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Solution

The fourth proportional to 6,953.88, 10,434.86 and 4,185.88 is: 6,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.88 : 10,434.86 = 4,185.88 : x
  2. Step 2: Convert to fraction form
    6,953.88/10,434.86 = 4,185.88/x
  3. Step 3: Cross multiply
    6,953.88x = 10,434.86 × 4,185.88
  4. Step 4: Simplify right side
    6,953.88x = 43,679,071.78
  5. Step 5: Solve for x
    x = 43,679,071.78/6,953.88
  6. Step 6: Final answer
    x = 6,281.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.