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Finding the Fourth Proportional to 11,465.40, 17,236.98 and 9,154.92

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Solution

The fourth proportional to 11,465.40, 17,236.98 and 9,154.92 is: 13,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.40 : 17,236.98 = 9,154.92 : x
  2. Step 2: Convert to fraction form
    11,465.40/17,236.98 = 9,154.92/x
  3. Step 3: Cross multiply
    11,465.40x = 17,236.98 × 9,154.92
  4. Step 4: Simplify right side
    11,465.40x = 157,803,172.94
  5. Step 5: Solve for x
    x = 157,803,172.94/11,465.40
  6. Step 6: Final answer
    x = 13,763.42

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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.