Home / 11,625.16-16,042.80-6,845.28

Finding the Fourth Proportional to 11,625.16, 16,042.80 and 6,845.28

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Solution

The fourth proportional to 11,625.16, 16,042.80 and 6,845.28 is: 9,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.16 : 16,042.80 = 6,845.28 : x
  2. Step 2: Convert to fraction form
    11,625.16/16,042.80 = 6,845.28/x
  3. Step 3: Cross multiply
    11,625.16x = 16,042.80 × 6,845.28
  4. Step 4: Simplify right side
    11,625.16x = 109,817,457.98
  5. Step 5: Solve for x
    x = 109,817,457.98/11,625.16
  6. Step 6: Final answer
    x = 9,446.53

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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.