Home / 11,246.45-15,521.99-10,748.21

Finding the Fourth Proportional to 11,246.45, 15,521.99 and 10,748.21

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Solution

The fourth proportional to 11,246.45, 15,521.99 and 10,748.21 is: 14,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.45 : 15,521.99 = 10,748.21 : x
  2. Step 2: Convert to fraction form
    11,246.45/15,521.99 = 10,748.21/x
  3. Step 3: Cross multiply
    11,246.45x = 15,521.99 × 10,748.21
  4. Step 4: Simplify right side
    11,246.45x = 166,833,476.79
  5. Step 5: Solve for x
    x = 166,833,476.79/11,246.45
  6. Step 6: Final answer
    x = 14,834.33

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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.