Home / 11,447.20-15,788.97-10,506.04

Finding the Fourth Proportional to 11,447.20, 15,788.97 and 10,506.04

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Solution

The fourth proportional to 11,447.20, 15,788.97 and 10,506.04 is: 14,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.20 : 15,788.97 = 10,506.04 : x
  2. Step 2: Convert to fraction form
    11,447.20/15,788.97 = 10,506.04/x
  3. Step 3: Cross multiply
    11,447.20x = 15,788.97 × 10,506.04
  4. Step 4: Simplify right side
    11,447.20x = 165,879,550.38
  5. Step 5: Solve for x
    x = 165,879,550.38/11,447.20
  6. Step 6: Final answer
    x = 14,490.84

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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.