Home / 9,621.20-14,437.20-4,073.60

Finding the Fourth Proportional to 9,621.20, 14,437.20 and 4,073.60

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Solution

The fourth proportional to 9,621.20, 14,437.20 and 4,073.60 is: 6,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.20 : 14,437.20 = 4,073.60 : x
  2. Step 2: Convert to fraction form
    9,621.20/14,437.20 = 4,073.60/x
  3. Step 3: Cross multiply
    9,621.20x = 14,437.20 × 4,073.60
  4. Step 4: Simplify right side
    9,621.20x = 58,811,377.92
  5. Step 5: Solve for x
    x = 58,811,377.92/9,621.20
  6. Step 6: Final answer
    x = 6,112.69

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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.