Home / 11,223.40-16,827.90-4,652.20

Finding the Fourth Proportional to 11,223.40, 16,827.90 and 4,652.20

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Solution

The fourth proportional to 11,223.40, 16,827.90 and 4,652.20 is: 6,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.40 : 16,827.90 = 4,652.20 : x
  2. Step 2: Convert to fraction form
    11,223.40/16,827.90 = 4,652.20/x
  3. Step 3: Cross multiply
    11,223.40x = 16,827.90 × 4,652.20
  4. Step 4: Simplify right side
    11,223.40x = 78,286,756.38
  5. Step 5: Solve for x
    x = 78,286,756.38/11,223.40
  6. Step 6: Final answer
    x = 6,975.32

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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.