Home / 11,257.60-16,886.40-2,937.60

Finding the Fourth Proportional to 11,257.60, 16,886.40 and 2,937.60

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Solution

The fourth proportional to 11,257.60, 16,886.40 and 2,937.60 is: 4,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.60 : 16,886.40 = 2,937.60 : x
  2. Step 2: Convert to fraction form
    11,257.60/16,886.40 = 2,937.60/x
  3. Step 3: Cross multiply
    11,257.60x = 16,886.40 × 2,937.60
  4. Step 4: Simplify right side
    11,257.60x = 49,605,488.64
  5. Step 5: Solve for x
    x = 49,605,488.64/11,257.60
  6. Step 6: Final answer
    x = 4,406.40

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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.