Home / 12,533.19-17,294.74-7,155.60

Finding the Fourth Proportional to 12,533.19, 17,294.74 and 7,155.60

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Solution

The fourth proportional to 12,533.19, 17,294.74 and 7,155.60 is: 9,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.19 : 17,294.74 = 7,155.60 : x
  2. Step 2: Convert to fraction form
    12,533.19/17,294.74 = 7,155.60/x
  3. Step 3: Cross multiply
    12,533.19x = 17,294.74 × 7,155.60
  4. Step 4: Simplify right side
    12,533.19x = 123,754,241.54
  5. Step 5: Solve for x
    x = 123,754,241.54/12,533.19
  6. Step 6: Final answer
    x = 9,874.12

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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.