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Finding the Fourth Proportional to 11,339.82, 15,648.05 and 6,303.65

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Solution

The fourth proportional to 11,339.82, 15,648.05 and 6,303.65 is: 8,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.82 : 15,648.05 = 6,303.65 : x
  2. Step 2: Convert to fraction form
    11,339.82/15,648.05 = 6,303.65/x
  3. Step 3: Cross multiply
    11,339.82x = 15,648.05 × 6,303.65
  4. Step 4: Simplify right side
    11,339.82x = 98,639,720.62
  5. Step 5: Solve for x
    x = 98,639,720.62/11,339.82
  6. Step 6: Final answer
    x = 8,698.53

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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.