Home / 11,216.20-16,827.90-4,973.80

Finding the Fourth Proportional to 11,216.20, 16,827.90 and 4,973.80

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Solution

The fourth proportional to 11,216.20, 16,827.90 and 4,973.80 is: 7,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.20 : 16,827.90 = 4,973.80 : x
  2. Step 2: Convert to fraction form
    11,216.20/16,827.90 = 4,973.80/x
  3. Step 3: Cross multiply
    11,216.20x = 16,827.90 × 4,973.80
  4. Step 4: Simplify right side
    11,216.20x = 83,698,609.02
  5. Step 5: Solve for x
    x = 83,698,609.02/11,216.20
  6. Step 6: Final answer
    x = 7,462.30

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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.