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Finding the Fourth Proportional to 6,911.58, 10,416.04 and 6,254.34

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Solution

The fourth proportional to 6,911.58, 10,416.04 and 6,254.34 is: 9,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.58 : 10,416.04 = 6,254.34 : x
  2. Step 2: Convert to fraction form
    6,911.58/10,416.04 = 6,254.34/x
  3. Step 3: Cross multiply
    6,911.58x = 10,416.04 × 6,254.34
  4. Step 4: Simplify right side
    6,911.58x = 65,145,455.61
  5. Step 5: Solve for x
    x = 65,145,455.61/6,911.58
  6. Step 6: Final answer
    x = 9,425.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.