Home / 10,844.70-14,965.53-6,128.82

Finding the Fourth Proportional to 10,844.70, 14,965.53 and 6,128.82

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Solution

The fourth proportional to 10,844.70, 14,965.53 and 6,128.82 is: 8,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.70 : 14,965.53 = 6,128.82 : x
  2. Step 2: Convert to fraction form
    10,844.70/14,965.53 = 6,128.82/x
  3. Step 3: Cross multiply
    10,844.70x = 14,965.53 × 6,128.82
  4. Step 4: Simplify right side
    10,844.70x = 91,721,039.57
  5. Step 5: Solve for x
    x = 91,721,039.57/10,844.70
  6. Step 6: Final answer
    x = 8,457.68

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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.