Home / 37,986.30-56,979.45-11,699.10

Finding the Fourth Proportional to 37,986.30, 56,979.45 and 11,699.10

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Solution

The fourth proportional to 37,986.30, 56,979.45 and 11,699.10 is: 17,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.30 : 56,979.45 = 11,699.10 : x
  2. Step 2: Convert to fraction form
    37,986.30/56,979.45 = 11,699.10/x
  3. Step 3: Cross multiply
    37,986.30x = 56,979.45 × 11,699.10
  4. Step 4: Simplify right side
    37,986.30x = 666,608,283.50
  5. Step 5: Solve for x
    x = 666,608,283.50/37,986.30
  6. Step 6: Final answer
    x = 17,548.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.