Home / 8,726.21-12,043.40-4,950.30

Finding the Fourth Proportional to 8,726.21, 12,043.40 and 4,950.30

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Solution

The fourth proportional to 8,726.21, 12,043.40 and 4,950.30 is: 6,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.21 : 12,043.40 = 4,950.30 : x
  2. Step 2: Convert to fraction form
    8,726.21/12,043.40 = 4,950.30/x
  3. Step 3: Cross multiply
    8,726.21x = 12,043.40 × 4,950.30
  4. Step 4: Simplify right side
    8,726.21x = 59,618,453.46
  5. Step 5: Solve for x
    x = 59,618,453.46/8,726.21
  6. Step 6: Final answer
    x = 6,832.12

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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.