Home / 12,495.35-17,256.50-10,808.66

Finding the Fourth Proportional to 12,495.35, 17,256.50 and 10,808.66

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Solution

The fourth proportional to 12,495.35, 17,256.50 and 10,808.66 is: 14,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.35 : 17,256.50 = 10,808.66 : x
  2. Step 2: Convert to fraction form
    12,495.35/17,256.50 = 10,808.66/x
  3. Step 3: Cross multiply
    12,495.35x = 17,256.50 × 10,808.66
  4. Step 4: Simplify right side
    12,495.35x = 186,519,500.96
  5. Step 5: Solve for x
    x = 186,519,500.96/12,495.35
  6. Step 6: Final answer
    x = 14,927.12

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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.