Home / 11,699.31-16,162.13-10,124.67

Finding the Fourth Proportional to 11,699.31, 16,162.13 and 10,124.67

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Solution

The fourth proportional to 11,699.31, 16,162.13 and 10,124.67 is: 13,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.31 : 16,162.13 = 10,124.67 : x
  2. Step 2: Convert to fraction form
    11,699.31/16,162.13 = 10,124.67/x
  3. Step 3: Cross multiply
    11,699.31x = 16,162.13 × 10,124.67
  4. Step 4: Simplify right side
    11,699.31x = 163,636,232.75
  5. Step 5: Solve for x
    x = 163,636,232.75/11,699.31
  6. Step 6: Final answer
    x = 13,986.83

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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.