Home / 11,801.37-16,280.19-7,330.32

Finding the Fourth Proportional to 11,801.37, 16,280.19 and 7,330.32

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Solution

The fourth proportional to 11,801.37, 16,280.19 and 7,330.32 is: 10,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.37 : 16,280.19 = 7,330.32 : x
  2. Step 2: Convert to fraction form
    11,801.37/16,280.19 = 7,330.32/x
  3. Step 3: Cross multiply
    11,801.37x = 16,280.19 × 7,330.32
  4. Step 4: Simplify right side
    11,801.37x = 119,339,002.36
  5. Step 5: Solve for x
    x = 119,339,002.36/11,801.37
  6. Step 6: Final answer
    x = 10,112.30

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Half scale
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Double scale
Find fourth proportional to 11,802.37, 16,281.57 and 7,331.32
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.