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Finding the Fourth Proportional to 9,998.97, 13,798.65 and 6,022.71

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Solution

The fourth proportional to 9,998.97, 13,798.65 and 6,022.71 is: 8,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.97 : 13,798.65 = 6,022.71 : x
  2. Step 2: Convert to fraction form
    9,998.97/13,798.65 = 6,022.71/x
  3. Step 3: Cross multiply
    9,998.97x = 13,798.65 × 6,022.71
  4. Step 4: Simplify right side
    9,998.97x = 83,105,267.34
  5. Step 5: Solve for x
    x = 83,105,267.34/9,998.97
  6. Step 6: Final answer
    x = 8,311.38

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Half scale
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Double scale
Find fourth proportional to 9,999.97, 13,800.03 and 6,023.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.