Home / 37,211.60-55,826.40-10,917.20

Finding the Fourth Proportional to 37,211.60, 55,826.40 and 10,917.20

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Solution

The fourth proportional to 37,211.60, 55,826.40 and 10,917.20 is: 16,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.60 : 55,826.40 = 10,917.20 : x
  2. Step 2: Convert to fraction form
    37,211.60/55,826.40 = 10,917.20/x
  3. Step 3: Cross multiply
    37,211.60x = 55,826.40 × 10,917.20
  4. Step 4: Simplify right side
    37,211.60x = 609,467,974.08
  5. Step 5: Solve for x
    x = 609,467,974.08/37,211.60
  6. Step 6: Final answer
    x = 16,378.44

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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.