Home / 12,652.08-18,977.70-5,726.58

Finding the Fourth Proportional to 12,652.08, 18,977.70 and 5,726.58

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Solution

The fourth proportional to 12,652.08, 18,977.70 and 5,726.58 is: 8,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.08 : 18,977.70 = 5,726.58 : x
  2. Step 2: Convert to fraction form
    12,652.08/18,977.70 = 5,726.58/x
  3. Step 3: Cross multiply
    12,652.08x = 18,977.70 × 5,726.58
  4. Step 4: Simplify right side
    12,652.08x = 108,677,317.27
  5. Step 5: Solve for x
    x = 108,677,317.27/12,652.08
  6. Step 6: Final answer
    x = 8,589.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.