Home / 10,880.92-15,023.34-8,493.55

Finding the Fourth Proportional to 10,880.92, 15,023.34 and 8,493.55

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Solution

The fourth proportional to 10,880.92, 15,023.34 and 8,493.55 is: 11,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.92 : 15,023.34 = 8,493.55 : x
  2. Step 2: Convert to fraction form
    10,880.92/15,023.34 = 8,493.55/x
  3. Step 3: Cross multiply
    10,880.92x = 15,023.34 × 8,493.55
  4. Step 4: Simplify right side
    10,880.92x = 127,601,489.46
  5. Step 5: Solve for x
    x = 127,601,489.46/10,880.92
  6. Step 6: Final answer
    x = 11,727.09

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Half scale
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Double scale
Find fourth proportional to 10,881.92, 15,024.72 and 8,494.55
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.