Home / 11,995.20-16,561.08-7,525.08

Finding the Fourth Proportional to 11,995.20, 16,561.08 and 7,525.08

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Solution

The fourth proportional to 11,995.20, 16,561.08 and 7,525.08 is: 10,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.20 : 16,561.08 = 7,525.08 : x
  2. Step 2: Convert to fraction form
    11,995.20/16,561.08 = 7,525.08/x
  3. Step 3: Cross multiply
    11,995.20x = 16,561.08 × 7,525.08
  4. Step 4: Simplify right side
    11,995.20x = 124,623,451.89
  5. Step 5: Solve for x
    x = 124,623,451.89/11,995.20
  6. Step 6: Final answer
    x = 10,389.44

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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.