Home / 11,228.10-16,842.14-4,986.64

Finding the Fourth Proportional to 11,228.10, 16,842.14 and 4,986.64

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Solution

The fourth proportional to 11,228.10, 16,842.14 and 4,986.64 is: 7,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.10 : 16,842.14 = 4,986.64 : x
  2. Step 2: Convert to fraction form
    11,228.10/16,842.14 = 4,986.64/x
  3. Step 3: Cross multiply
    11,228.10x = 16,842.14 × 4,986.64
  4. Step 4: Simplify right side
    11,228.10x = 83,985,689.01
  5. Step 5: Solve for x
    x = 83,985,689.01/11,228.10
  6. Step 6: Final answer
    x = 7,479.96

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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.