Home / 8,711.13-12,021.44-4,732.28

Finding the Fourth Proportional to 8,711.13, 12,021.44 and 4,732.28

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Solution

The fourth proportional to 8,711.13, 12,021.44 and 4,732.28 is: 6,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.13 : 12,021.44 = 4,732.28 : x
  2. Step 2: Convert to fraction form
    8,711.13/12,021.44 = 4,732.28/x
  3. Step 3: Cross multiply
    8,711.13x = 12,021.44 × 4,732.28
  4. Step 4: Simplify right side
    8,711.13x = 56,888,820.08
  5. Step 5: Solve for x
    x = 56,888,820.08/8,711.13
  6. Step 6: Final answer
    x = 6,530.59

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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.