Home / 12,366.25-17,066.26-6,986.82

Finding the Fourth Proportional to 12,366.25, 17,066.26 and 6,986.82

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Solution

The fourth proportional to 12,366.25, 17,066.26 and 6,986.82 is: 9,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.25 : 17,066.26 = 6,986.82 : x
  2. Step 2: Convert to fraction form
    12,366.25/17,066.26 = 6,986.82/x
  3. Step 3: Cross multiply
    12,366.25x = 17,066.26 × 6,986.82
  4. Step 4: Simplify right side
    12,366.25x = 119,238,886.69
  5. Step 5: Solve for x
    x = 119,238,886.69/12,366.25
  6. Step 6: Final answer
    x = 9,642.29

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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.