Home / 8,773.18-12,107.28-5,235.91

Finding the Fourth Proportional to 8,773.18, 12,107.28 and 5,235.91

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Solution

The fourth proportional to 8,773.18, 12,107.28 and 5,235.91 is: 7,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.18 : 12,107.28 = 5,235.91 : x
  2. Step 2: Convert to fraction form
    8,773.18/12,107.28 = 5,235.91/x
  3. Step 3: Cross multiply
    8,773.18x = 12,107.28 × 5,235.91
  4. Step 4: Simplify right side
    8,773.18x = 63,392,628.42
  5. Step 5: Solve for x
    x = 63,392,628.42/8,773.18
  6. Step 6: Final answer
    x = 7,225.73

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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.