Home / 10,291.75-14,207.52-6,894.61

Finding the Fourth Proportional to 10,291.75, 14,207.52 and 6,894.61

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Solution

The fourth proportional to 10,291.75, 14,207.52 and 6,894.61 is: 9,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.75 : 14,207.52 = 6,894.61 : x
  2. Step 2: Convert to fraction form
    10,291.75/14,207.52 = 6,894.61/x
  3. Step 3: Cross multiply
    10,291.75x = 14,207.52 × 6,894.61
  4. Step 4: Simplify right side
    10,291.75x = 97,955,309.47
  5. Step 5: Solve for x
    x = 97,955,309.47/10,291.75
  6. Step 6: Final answer
    x = 9,517.85

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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.