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Finding the Fourth Proportional to 11,325.58, 15,623.85 and 7,347.94

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Solution

The fourth proportional to 11,325.58, 15,623.85 and 7,347.94 is: 10,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.58 : 15,623.85 = 7,347.94 : x
  2. Step 2: Convert to fraction form
    11,325.58/15,623.85 = 7,347.94/x
  3. Step 3: Cross multiply
    11,325.58x = 15,623.85 × 7,347.94
  4. Step 4: Simplify right side
    11,325.58x = 114,803,112.37
  5. Step 5: Solve for x
    x = 114,803,112.37/11,325.58
  6. Step 6: Final answer
    x = 10,136.62

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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.