Home / 12,625.28-17,423.01-6,960.25

Finding the Fourth Proportional to 12,625.28, 17,423.01 and 6,960.25

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Solution

The fourth proportional to 12,625.28, 17,423.01 and 6,960.25 is: 9,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.28 : 17,423.01 = 6,960.25 : x
  2. Step 2: Convert to fraction form
    12,625.28/17,423.01 = 6,960.25/x
  3. Step 3: Cross multiply
    12,625.28x = 17,423.01 × 6,960.25
  4. Step 4: Simplify right side
    12,625.28x = 121,268,566.31
  5. Step 5: Solve for x
    x = 121,268,566.31/12,625.28
  6. Step 6: Final answer
    x = 9,605.22

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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.