Home / 12,012.19-16,572.05-8,026.99

Finding the Fourth Proportional to 12,012.19, 16,572.05 and 8,026.99

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Solution

The fourth proportional to 12,012.19, 16,572.05 and 8,026.99 is: 11,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.19 : 16,572.05 = 8,026.99 : x
  2. Step 2: Convert to fraction form
    12,012.19/16,572.05 = 8,026.99/x
  3. Step 3: Cross multiply
    12,012.19x = 16,572.05 × 8,026.99
  4. Step 4: Simplify right side
    12,012.19x = 133,023,679.63
  5. Step 5: Solve for x
    x = 133,023,679.63/12,012.19
  6. Step 6: Final answer
    x = 11,074.06

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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.