Home / 8,753.39-12,079.82-4,774.50

Finding the Fourth Proportional to 8,753.39, 12,079.82 and 4,774.50

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Solution

The fourth proportional to 8,753.39, 12,079.82 and 4,774.50 is: 6,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.39 : 12,079.82 = 4,774.50 : x
  2. Step 2: Convert to fraction form
    8,753.39/12,079.82 = 4,774.50/x
  3. Step 3: Cross multiply
    8,753.39x = 12,079.82 × 4,774.50
  4. Step 4: Simplify right side
    8,753.39x = 57,675,130.70
  5. Step 5: Solve for x
    x = 57,675,130.70/8,753.39
  6. Step 6: Final answer
    x = 6,588.89

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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.