Home / 12,363.12-17,061.36-6,774.48

Finding the Fourth Proportional to 12,363.12, 17,061.36 and 6,774.48

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Solution

The fourth proportional to 12,363.12, 17,061.36 and 6,774.48 is: 9,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.12 : 17,061.36 = 6,774.48 : x
  2. Step 2: Convert to fraction form
    12,363.12/17,061.36 = 6,774.48/x
  3. Step 3: Cross multiply
    12,363.12x = 17,061.36 × 6,774.48
  4. Step 4: Simplify right side
    12,363.12x = 115,581,842.09
  5. Step 5: Solve for x
    x = 115,581,842.09/12,363.12
  6. Step 6: Final answer
    x = 9,348.92

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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.