Home / 10,233.09-14,116.86-6,647.79

Finding the Fourth Proportional to 10,233.09, 14,116.86 and 6,647.79

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Solution

The fourth proportional to 10,233.09, 14,116.86 and 6,647.79 is: 9,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.09 : 14,116.86 = 6,647.79 : x
  2. Step 2: Convert to fraction form
    10,233.09/14,116.86 = 6,647.79/x
  3. Step 3: Cross multiply
    10,233.09x = 14,116.86 × 6,647.79
  4. Step 4: Simplify right side
    10,233.09x = 93,845,920.74
  5. Step 5: Solve for x
    x = 93,845,920.74/10,233.09
  6. Step 6: Final answer
    x = 9,170.83

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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.