Home / 9,123.45-12,592.26-5,348.63

Finding the Fourth Proportional to 9,123.45, 12,592.26 and 5,348.63

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Solution

The fourth proportional to 9,123.45, 12,592.26 and 5,348.63 is: 7,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.45 : 12,592.26 = 5,348.63 : x
  2. Step 2: Convert to fraction form
    9,123.45/12,592.26 = 5,348.63/x
  3. Step 3: Cross multiply
    9,123.45x = 12,592.26 × 5,348.63
  4. Step 4: Simplify right side
    9,123.45x = 67,351,276.64
  5. Step 5: Solve for x
    x = 67,351,276.64/9,123.45
  6. Step 6: Final answer
    x = 7,382.22

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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.