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Finding the Fourth Proportional to 9,410.76, 14,120.78 and 6,655.14

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Solution

The fourth proportional to 9,410.76, 14,120.78 and 6,655.14 is: 9,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.76 : 14,120.78 = 6,655.14 : x
  2. Step 2: Convert to fraction form
    9,410.76/14,120.78 = 6,655.14/x
  3. Step 3: Cross multiply
    9,410.76x = 14,120.78 × 6,655.14
  4. Step 4: Simplify right side
    9,410.76x = 93,975,734.53
  5. Step 5: Solve for x
    x = 93,975,734.53/9,410.76
  6. Step 6: Final answer
    x = 9,985.99

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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.