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Finding the Fourth Proportional to 9,039.65, 13,536.11 and 6,237.12

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Solution

The fourth proportional to 9,039.65, 13,536.11 and 6,237.12 is: 9,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.65 : 13,536.11 = 6,237.12 : x
  2. Step 2: Convert to fraction form
    9,039.65/13,536.11 = 6,237.12/x
  3. Step 3: Cross multiply
    9,039.65x = 13,536.11 × 6,237.12
  4. Step 4: Simplify right side
    9,039.65x = 84,426,332.62
  5. Step 5: Solve for x
    x = 84,426,332.62/9,039.65
  6. Step 6: Final answer
    x = 9,339.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.