Home / 11,081.40-16,622.10-9,798.36

Finding the Fourth Proportional to 11,081.40, 16,622.10 and 9,798.36

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Solution

The fourth proportional to 11,081.40, 16,622.10 and 9,798.36 is: 14,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.40 : 16,622.10 = 9,798.36 : x
  2. Step 2: Convert to fraction form
    11,081.40/16,622.10 = 9,798.36/x
  3. Step 3: Cross multiply
    11,081.40x = 16,622.10 × 9,798.36
  4. Step 4: Simplify right side
    11,081.40x = 162,869,319.76
  5. Step 5: Solve for x
    x = 162,869,319.76/11,081.40
  6. Step 6: Final answer
    x = 14,697.54

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Double scale
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Similar ratio
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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.