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Finding the Fourth Proportional to 11,558.66, 15,950.94 and 6,253.47

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Solution

The fourth proportional to 11,558.66, 15,950.94 and 6,253.47 is: 8,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.66 : 15,950.94 = 6,253.47 : x
  2. Step 2: Convert to fraction form
    11,558.66/15,950.94 = 6,253.47/x
  3. Step 3: Cross multiply
    11,558.66x = 15,950.94 × 6,253.47
  4. Step 4: Simplify right side
    11,558.66x = 99,748,724.76
  5. Step 5: Solve for x
    x = 99,748,724.76/11,558.66
  6. Step 6: Final answer
    x = 8,629.79

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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.