Home / 11,798.78-16,176.80-11,588.18

Finding the Fourth Proportional to 11,798.78, 16,176.80 and 11,588.18

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Solution

The fourth proportional to 11,798.78, 16,176.80 and 11,588.18 is: 15,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.78 : 16,176.80 = 11,588.18 : x
  2. Step 2: Convert to fraction form
    11,798.78/16,176.80 = 11,588.18/x
  3. Step 3: Cross multiply
    11,798.78x = 16,176.80 × 11,588.18
  4. Step 4: Simplify right side
    11,798.78x = 187,459,670.22
  5. Step 5: Solve for x
    x = 187,459,670.22/11,798.78
  6. Step 6: Final answer
    x = 15,888.06

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.