Home / 7,633.12-11,440.10-4,122.98

Finding the Fourth Proportional to 7,633.12, 11,440.10 and 4,122.98

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Solution

The fourth proportional to 7,633.12, 11,440.10 and 4,122.98 is: 6,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.12 : 11,440.10 = 4,122.98 : x
  2. Step 2: Convert to fraction form
    7,633.12/11,440.10 = 4,122.98/x
  3. Step 3: Cross multiply
    7,633.12x = 11,440.10 × 4,122.98
  4. Step 4: Simplify right side
    7,633.12x = 47,167,303.50
  5. Step 5: Solve for x
    x = 47,167,303.50/7,633.12
  6. Step 6: Final answer
    x = 6,179.30

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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.