Home / 12,492.39-17,236.49-7,773.33

Finding the Fourth Proportional to 12,492.39, 17,236.49 and 7,773.33

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Solution

The fourth proportional to 12,492.39, 17,236.49 and 7,773.33 is: 10,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.39 : 17,236.49 = 7,773.33 : x
  2. Step 2: Convert to fraction form
    12,492.39/17,236.49 = 7,773.33/x
  3. Step 3: Cross multiply
    12,492.39x = 17,236.49 × 7,773.33
  4. Step 4: Simplify right side
    12,492.39x = 133,984,885.95
  5. Step 5: Solve for x
    x = 133,984,885.95/12,492.39
  6. Step 6: Final answer
    x = 10,725.32

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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.