Home / 12,572.24-17,348.85-6,905.88

Finding the Fourth Proportional to 12,572.24, 17,348.85 and 6,905.88

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Solution

The fourth proportional to 12,572.24, 17,348.85 and 6,905.88 is: 9,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.24 : 17,348.85 = 6,905.88 : x
  2. Step 2: Convert to fraction form
    12,572.24/17,348.85 = 6,905.88/x
  3. Step 3: Cross multiply
    12,572.24x = 17,348.85 × 6,905.88
  4. Step 4: Simplify right side
    12,572.24x = 119,809,076.24
  5. Step 5: Solve for x
    x = 119,809,076.24/12,572.24
  6. Step 6: Final answer
    x = 9,529.65

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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.