Home / 7,494.21-10,341.87-4,137.13

Finding the Fourth Proportional to 7,494.21, 10,341.87 and 4,137.13

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Solution

The fourth proportional to 7,494.21, 10,341.87 and 4,137.13 is: 5,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.21 : 10,341.87 = 4,137.13 : x
  2. Step 2: Convert to fraction form
    7,494.21/10,341.87 = 4,137.13/x
  3. Step 3: Cross multiply
    7,494.21x = 10,341.87 × 4,137.13
  4. Step 4: Simplify right side
    7,494.21x = 42,785,660.63
  5. Step 5: Solve for x
    x = 42,785,660.63/7,494.21
  6. Step 6: Final answer
    x = 5,709.16

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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.