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Finding the Fourth Proportional to 10,998.36, 16,503.21 and 7,303.14

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Solution

The fourth proportional to 10,998.36, 16,503.21 and 7,303.14 is: 10,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.36 : 16,503.21 = 7,303.14 : x
  2. Step 2: Convert to fraction form
    10,998.36/16,503.21 = 7,303.14/x
  3. Step 3: Cross multiply
    10,998.36x = 16,503.21 × 7,303.14
  4. Step 4: Simplify right side
    10,998.36x = 120,525,253.08
  5. Step 5: Solve for x
    x = 120,525,253.08/10,998.36
  6. Step 6: Final answer
    x = 10,958.47

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Double scale
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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.