Home / 12,024.39-16,586.30-7,768.55

Finding the Fourth Proportional to 12,024.39, 16,586.30 and 7,768.55

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Solution

The fourth proportional to 12,024.39, 16,586.30 and 7,768.55 is: 10,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.39 : 16,586.30 = 7,768.55 : x
  2. Step 2: Convert to fraction form
    12,024.39/16,586.30 = 7,768.55/x
  3. Step 3: Cross multiply
    12,024.39x = 16,586.30 × 7,768.55
  4. Step 4: Simplify right side
    12,024.39x = 128,851,500.87
  5. Step 5: Solve for x
    x = 128,851,500.87/12,024.39
  6. Step 6: Final answer
    x = 10,715.85

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Half scale
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Double scale
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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.