Home / 8,081.99-11,153.58-4,726.77

Finding the Fourth Proportional to 8,081.99, 11,153.58 and 4,726.77

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Solution

The fourth proportional to 8,081.99, 11,153.58 and 4,726.77 is: 6,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.99 : 11,153.58 = 4,726.77 : x
  2. Step 2: Convert to fraction form
    8,081.99/11,153.58 = 4,726.77/x
  3. Step 3: Cross multiply
    8,081.99x = 11,153.58 × 4,726.77
  4. Step 4: Simplify right side
    8,081.99x = 52,720,437.11
  5. Step 5: Solve for x
    x = 52,720,437.11/8,081.99
  6. Step 6: Final answer
    x = 6,523.20

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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.