Home / 13,316.37-18,379.79-8,010.17

Finding the Fourth Proportional to 13,316.37, 18,379.79 and 8,010.17

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Solution

The fourth proportional to 13,316.37, 18,379.79 and 8,010.17 is: 11,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.37 : 18,379.79 = 8,010.17 : x
  2. Step 2: Convert to fraction form
    13,316.37/18,379.79 = 8,010.17/x
  3. Step 3: Cross multiply
    13,316.37x = 18,379.79 × 8,010.17
  4. Step 4: Simplify right side
    13,316.37x = 147,225,242.46
  5. Step 5: Solve for x
    x = 147,225,242.46/13,316.37
  6. Step 6: Final answer
    x = 11,055.96

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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.