Home / 12,028.40-16,588.44-7,552.57

Finding the Fourth Proportional to 12,028.40, 16,588.44 and 7,552.57

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Solution

The fourth proportional to 12,028.40, 16,588.44 and 7,552.57 is: 10,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.40 : 16,588.44 = 7,552.57 : x
  2. Step 2: Convert to fraction form
    12,028.40/16,588.44 = 7,552.57/x
  3. Step 3: Cross multiply
    12,028.40x = 16,588.44 × 7,552.57
  4. Step 4: Simplify right side
    12,028.40x = 125,285,354.29
  5. Step 5: Solve for x
    x = 125,285,354.29/12,028.40
  6. Step 6: Final answer
    x = 10,415.80

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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.