Home / 12,416.70-18,610.65-5,016.30

Finding the Fourth Proportional to 12,416.70, 18,610.65 and 5,016.30

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Solution

The fourth proportional to 12,416.70, 18,610.65 and 5,016.30 is: 7,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.70 : 18,610.65 = 5,016.30 : x
  2. Step 2: Convert to fraction form
    12,416.70/18,610.65 = 5,016.30/x
  3. Step 3: Cross multiply
    12,416.70x = 18,610.65 × 5,016.30
  4. Step 4: Simplify right side
    12,416.70x = 93,356,603.60
  5. Step 5: Solve for x
    x = 93,356,603.60/12,416.70
  6. Step 6: Final answer
    x = 7,518.63

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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.