Home / 12,019.46-16,586.57-6,714.77

Finding the Fourth Proportional to 12,019.46, 16,586.57 and 6,714.77

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Solution

The fourth proportional to 12,019.46, 16,586.57 and 6,714.77 is: 9,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.46 : 16,586.57 = 6,714.77 : x
  2. Step 2: Convert to fraction form
    12,019.46/16,586.57 = 6,714.77/x
  3. Step 3: Cross multiply
    12,019.46x = 16,586.57 × 6,714.77
  4. Step 4: Simplify right side
    12,019.46x = 111,374,936.49
  5. Step 5: Solve for x
    x = 111,374,936.49/12,019.46
  6. Step 6: Final answer
    x = 9,266.22

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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.