Home / 12,001.44-16,551.16-7,525.68

Finding the Fourth Proportional to 12,001.44, 16,551.16 and 7,525.68

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Solution

The fourth proportional to 12,001.44, 16,551.16 and 7,525.68 is: 10,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.44 : 16,551.16 = 7,525.68 : x
  2. Step 2: Convert to fraction form
    12,001.44/16,551.16 = 7,525.68/x
  3. Step 3: Cross multiply
    12,001.44x = 16,551.16 × 7,525.68
  4. Step 4: Simplify right side
    12,001.44x = 124,558,733.79
  5. Step 5: Solve for x
    x = 124,558,733.79/12,001.44
  6. Step 6: Final answer
    x = 10,378.65

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Half scale
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Double scale
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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.