Home / 11,246.81-16,872.55-5,627.39

Finding the Fourth Proportional to 11,246.81, 16,872.55 and 5,627.39

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Solution

The fourth proportional to 11,246.81, 16,872.55 and 5,627.39 is: 8,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.81 : 16,872.55 = 5,627.39 : x
  2. Step 2: Convert to fraction form
    11,246.81/16,872.55 = 5,627.39/x
  3. Step 3: Cross multiply
    11,246.81x = 16,872.55 × 5,627.39
  4. Step 4: Simplify right side
    11,246.81x = 94,948,320.71
  5. Step 5: Solve for x
    x = 94,948,320.71/11,246.81
  6. Step 6: Final answer
    x = 8,442.25

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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.