Home / 12,125.55-16,732.71-6,748.26

Finding the Fourth Proportional to 12,125.55, 16,732.71 and 6,748.26

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Solution

The fourth proportional to 12,125.55, 16,732.71 and 6,748.26 is: 9,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.55 : 16,732.71 = 6,748.26 : x
  2. Step 2: Convert to fraction form
    12,125.55/16,732.71 = 6,748.26/x
  3. Step 3: Cross multiply
    12,125.55x = 16,732.71 × 6,748.26
  4. Step 4: Simplify right side
    12,125.55x = 112,916,677.58
  5. Step 5: Solve for x
    x = 112,916,677.58/12,125.55
  6. Step 6: Final answer
    x = 9,312.29

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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.