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Finding the Fourth Proportional to 10,927.46, 16,405.02 and 9,100.94

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Solution

The fourth proportional to 10,927.46, 16,405.02 and 9,100.94 is: 13,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.46 : 16,405.02 = 9,100.94 : x
  2. Step 2: Convert to fraction form
    10,927.46/16,405.02 = 9,100.94/x
  3. Step 3: Cross multiply
    10,927.46x = 16,405.02 × 9,100.94
  4. Step 4: Simplify right side
    10,927.46x = 149,301,102.72
  5. Step 5: Solve for x
    x = 149,301,102.72/10,927.46
  6. Step 6: Final answer
    x = 13,662.93

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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.