Home / 8,753.49-12,080.31-4,774.67

Finding the Fourth Proportional to 8,753.49, 12,080.31 and 4,774.67

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Solution

The fourth proportional to 8,753.49, 12,080.31 and 4,774.67 is: 6,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.49 : 12,080.31 = 4,774.67 : x
  2. Step 2: Convert to fraction form
    8,753.49/12,080.31 = 4,774.67/x
  3. Step 3: Cross multiply
    8,753.49x = 12,080.31 × 4,774.67
  4. Step 4: Simplify right side
    8,753.49x = 57,679,493.75
  5. Step 5: Solve for x
    x = 57,679,493.75/8,753.49
  6. Step 6: Final answer
    x = 6,589.31

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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.