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Finding the Fourth Proportional to 9,856.68, 14,765.58 and 7,394.28

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Solution

The fourth proportional to 9,856.68, 14,765.58 and 7,394.28 is: 11,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.68 : 14,765.58 = 7,394.28 : x
  2. Step 2: Convert to fraction form
    9,856.68/14,765.58 = 7,394.28/x
  3. Step 3: Cross multiply
    9,856.68x = 14,765.58 × 7,394.28
  4. Step 4: Simplify right side
    9,856.68x = 109,180,832.88
  5. Step 5: Solve for x
    x = 109,180,832.88/9,856.68
  6. Step 6: Final answer
    x = 11,076.84

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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.