Home / 11,574.30-15,972.72-6,269.34

Finding the Fourth Proportional to 11,574.30, 15,972.72 and 6,269.34

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Solution

The fourth proportional to 11,574.30, 15,972.72 and 6,269.34 is: 8,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.30 : 15,972.72 = 6,269.34 : x
  2. Step 2: Convert to fraction form
    11,574.30/15,972.72 = 6,269.34/x
  3. Step 3: Cross multiply
    11,574.30x = 15,972.72 × 6,269.34
  4. Step 4: Simplify right side
    11,574.30x = 100,138,412.40
  5. Step 5: Solve for x
    x = 100,138,412.40/11,574.30
  6. Step 6: Final answer
    x = 8,651.79

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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.