Home / 11,610.04-16,020.30-7,415.32

Finding the Fourth Proportional to 11,610.04, 16,020.30 and 7,415.32

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Solution

The fourth proportional to 11,610.04, 16,020.30 and 7,415.32 is: 10,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.04 : 16,020.30 = 7,415.32 : x
  2. Step 2: Convert to fraction form
    11,610.04/16,020.30 = 7,415.32/x
  3. Step 3: Cross multiply
    11,610.04x = 16,020.30 × 7,415.32
  4. Step 4: Simplify right side
    11,610.04x = 118,795,651.00
  5. Step 5: Solve for x
    x = 118,795,651.00/11,610.04
  6. Step 6: Final answer
    x = 10,232.15

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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.