Home / 12,552.70-17,322.90-6,887.34

Finding the Fourth Proportional to 12,552.70, 17,322.90 and 6,887.34

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Solution

The fourth proportional to 12,552.70, 17,322.90 and 6,887.34 is: 9,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.70 : 17,322.90 = 6,887.34 : x
  2. Step 2: Convert to fraction form
    12,552.70/17,322.90 = 6,887.34/x
  3. Step 3: Cross multiply
    12,552.70x = 17,322.90 × 6,887.34
  4. Step 4: Simplify right side
    12,552.70x = 119,308,667.65
  5. Step 5: Solve for x
    x = 119,308,667.65/12,552.70
  6. Step 6: Final answer
    x = 9,504.63

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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.