Home / 10,708.38-14,777.70-6,459.66

Finding the Fourth Proportional to 10,708.38, 14,777.70 and 6,459.66

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Solution

The fourth proportional to 10,708.38, 14,777.70 and 6,459.66 is: 8,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.38 : 14,777.70 = 6,459.66 : x
  2. Step 2: Convert to fraction form
    10,708.38/14,777.70 = 6,459.66/x
  3. Step 3: Cross multiply
    10,708.38x = 14,777.70 × 6,459.66
  4. Step 4: Simplify right side
    10,708.38x = 95,458,917.58
  5. Step 5: Solve for x
    x = 95,458,917.58/10,708.38
  6. Step 6: Final answer
    x = 8,914.41

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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.