Home / 11,753.67-17,630.57-2,988.59

Finding the Fourth Proportional to 11,753.67, 17,630.57 and 2,988.59

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Solution

The fourth proportional to 11,753.67, 17,630.57 and 2,988.59 is: 4,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.67 : 17,630.57 = 2,988.59 : x
  2. Step 2: Convert to fraction form
    11,753.67/17,630.57 = 2,988.59/x
  3. Step 3: Cross multiply
    11,753.67x = 17,630.57 × 2,988.59
  4. Step 4: Simplify right side
    11,753.67x = 52,690,596.74
  5. Step 5: Solve for x
    x = 52,690,596.74/11,753.67
  6. Step 6: Final answer
    x = 4,482.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.