Home / 7,414.81-10,232.36-4,228.63

Finding the Fourth Proportional to 7,414.81, 10,232.36 and 4,228.63

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Solution

The fourth proportional to 7,414.81, 10,232.36 and 4,228.63 is: 5,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.81 : 10,232.36 = 4,228.63 : x
  2. Step 2: Convert to fraction form
    7,414.81/10,232.36 = 4,228.63/x
  3. Step 3: Cross multiply
    7,414.81x = 10,232.36 × 4,228.63
  4. Step 4: Simplify right side
    7,414.81x = 43,268,854.74
  5. Step 5: Solve for x
    x = 43,268,854.74/7,414.81
  6. Step 6: Final answer
    x = 5,835.46

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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.