Home / 7,412.02-10,228.29-4,268.74

Finding the Fourth Proportional to 7,412.02, 10,228.29 and 4,268.74

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Solution

The fourth proportional to 7,412.02, 10,228.29 and 4,268.74 is: 5,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.02 : 10,228.29 = 4,268.74 : x
  2. Step 2: Convert to fraction form
    7,412.02/10,228.29 = 4,268.74/x
  3. Step 3: Cross multiply
    7,412.02x = 10,228.29 × 4,268.74
  4. Step 4: Simplify right side
    7,412.02x = 43,661,910.65
  5. Step 5: Solve for x
    x = 43,661,910.65/7,412.02
  6. Step 6: Final answer
    x = 5,890.69

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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.