Home / 11,700.52-16,146.75-6,984.70

Finding the Fourth Proportional to 11,700.52, 16,146.75 and 6,984.70

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Solution

The fourth proportional to 11,700.52, 16,146.75 and 6,984.70 is: 9,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.52 : 16,146.75 = 6,984.70 : x
  2. Step 2: Convert to fraction form
    11,700.52/16,146.75 = 6,984.70/x
  3. Step 3: Cross multiply
    11,700.52x = 16,146.75 × 6,984.70
  4. Step 4: Simplify right side
    11,700.52x = 112,780,204.73
  5. Step 5: Solve for x
    x = 112,780,204.73/11,700.52
  6. Step 6: Final answer
    x = 9,638.91

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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.