Home / 13,087.41-18,058.98-8,847.69

Finding the Fourth Proportional to 13,087.41, 18,058.98 and 8,847.69

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Solution

The fourth proportional to 13,087.41, 18,058.98 and 8,847.69 is: 12,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.41 : 18,058.98 = 8,847.69 : x
  2. Step 2: Convert to fraction form
    13,087.41/18,058.98 = 8,847.69/x
  3. Step 3: Cross multiply
    13,087.41x = 18,058.98 × 8,847.69
  4. Step 4: Simplify right side
    13,087.41x = 159,780,256.76
  5. Step 5: Solve for x
    x = 159,780,256.76/13,087.41
  6. Step 6: Final answer
    x = 12,208.70

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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.