Home / 9,533.62-13,157.22-5,555.11

Finding the Fourth Proportional to 9,533.62, 13,157.22 and 5,555.11

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Solution

The fourth proportional to 9,533.62, 13,157.22 and 5,555.11 is: 7,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533.62 : 13,157.22 = 5,555.11 : x
  2. Step 2: Convert to fraction form
    9,533.62/13,157.22 = 5,555.11/x
  3. Step 3: Cross multiply
    9,533.62x = 13,157.22 × 5,555.11
  4. Step 4: Simplify right side
    9,533.62x = 73,089,804.39
  5. Step 5: Solve for x
    x = 73,089,804.39/9,533.62
  6. Step 6: Final answer
    x = 7,666.53

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Half scale
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Double scale
Find fourth proportional to 9,534.62, 13,158.60 and 5,556.11
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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.