Home / 12,393.41-17,109.56-9,554.56

Finding the Fourth Proportional to 12,393.41, 17,109.56 and 9,554.56

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Solution

The fourth proportional to 12,393.41, 17,109.56 and 9,554.56 is: 13,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.41 : 17,109.56 = 9,554.56 : x
  2. Step 2: Convert to fraction form
    12,393.41/17,109.56 = 9,554.56/x
  3. Step 3: Cross multiply
    12,393.41x = 17,109.56 × 9,554.56
  4. Step 4: Simplify right side
    12,393.41x = 163,474,298.71
  5. Step 5: Solve for x
    x = 163,474,298.71/12,393.41
  6. Step 6: Final answer
    x = 13,190.43

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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.