Home / 10,000.24-14,985-3,840.88

Finding the Fourth Proportional to 10,000.24, 14,985 and 3,840.88

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Solution

The fourth proportional to 10,000.24, 14,985 and 3,840.88 is: 5,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.24 : 14,985 = 3,840.88 : x
  2. Step 2: Convert to fraction form
    10,000.24/14,985 = 3,840.88/x
  3. Step 3: Cross multiply
    10,000.24x = 14,985 × 3,840.88
  4. Step 4: Simplify right side
    10,000.24x = 57,555,586.80
  5. Step 5: Solve for x
    x = 57,555,586.80/10,000.24
  6. Step 6: Final answer
    x = 5,755.42

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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.