Home / 11,084.39-15,296.67-8,697.22

Finding the Fourth Proportional to 11,084.39, 15,296.67 and 8,697.22

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Solution

The fourth proportional to 11,084.39, 15,296.67 and 8,697.22 is: 12,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.39 : 15,296.67 = 8,697.22 : x
  2. Step 2: Convert to fraction form
    11,084.39/15,296.67 = 8,697.22/x
  3. Step 3: Cross multiply
    11,084.39x = 15,296.67 × 8,697.22
  4. Step 4: Simplify right side
    11,084.39x = 133,038,466.02
  5. Step 5: Solve for x
    x = 133,038,466.02/11,084.39
  6. Step 6: Final answer
    x = 12,002.33

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Double scale
Find fourth proportional to 11,085.39, 15,298.05 and 8,698.22
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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.