Home / 12,306.92-16,991.70-7,598.12

Finding the Fourth Proportional to 12,306.92, 16,991.70 and 7,598.12

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Solution

The fourth proportional to 12,306.92, 16,991.70 and 7,598.12 is: 10,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.92 : 16,991.70 = 7,598.12 : x
  2. Step 2: Convert to fraction form
    12,306.92/16,991.70 = 7,598.12/x
  3. Step 3: Cross multiply
    12,306.92x = 16,991.70 × 7,598.12
  4. Step 4: Simplify right side
    12,306.92x = 129,104,975.60
  5. Step 5: Solve for x
    x = 129,104,975.60/12,306.92
  6. Step 6: Final answer
    x = 10,490.44

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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.