Home / 11,774.07-16,246.39-7,528.90

Finding the Fourth Proportional to 11,774.07, 16,246.39 and 7,528.90

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Solution

The fourth proportional to 11,774.07, 16,246.39 and 7,528.90 is: 10,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.07 : 16,246.39 = 7,528.90 : x
  2. Step 2: Convert to fraction form
    11,774.07/16,246.39 = 7,528.90/x
  3. Step 3: Cross multiply
    11,774.07x = 16,246.39 × 7,528.90
  4. Step 4: Simplify right side
    11,774.07x = 122,317,445.67
  5. Step 5: Solve for x
    x = 122,317,445.67/11,774.07
  6. Step 6: Final answer
    x = 10,388.71

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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.