Home / 9,427.36-12,996.24-6,624.16

Finding the Fourth Proportional to 9,427.36, 12,996.24 and 6,624.16

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Solution

The fourth proportional to 9,427.36, 12,996.24 and 6,624.16 is: 9,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.36 : 12,996.24 = 6,624.16 : x
  2. Step 2: Convert to fraction form
    9,427.36/12,996.24 = 6,624.16/x
  3. Step 3: Cross multiply
    9,427.36x = 12,996.24 × 6,624.16
  4. Step 4: Simplify right side
    9,427.36x = 86,089,173.16
  5. Step 5: Solve for x
    x = 86,089,173.16/9,427.36
  6. Step 6: Final answer
    x = 9,131.84

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.