Home / 9,621.68-13,281.72-7,262.96

Finding the Fourth Proportional to 9,621.68, 13,281.72 and 7,262.96

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Solution

The fourth proportional to 9,621.68, 13,281.72 and 7,262.96 is: 10,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.68 : 13,281.72 = 7,262.96 : x
  2. Step 2: Convert to fraction form
    9,621.68/13,281.72 = 7,262.96/x
  3. Step 3: Cross multiply
    9,621.68x = 13,281.72 × 7,262.96
  4. Step 4: Simplify right side
    9,621.68x = 96,464,601.09
  5. Step 5: Solve for x
    x = 96,464,601.09/9,621.68
  6. Step 6: Final answer
    x = 10,025.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.