Home / 8,625.42-12,874.13-7,434.36

Finding the Fourth Proportional to 8,625.42, 12,874.13 and 7,434.36

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Solution

The fourth proportional to 8,625.42, 12,874.13 and 7,434.36 is: 11,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.42 : 12,874.13 = 7,434.36 : x
  2. Step 2: Convert to fraction form
    8,625.42/12,874.13 = 7,434.36/x
  3. Step 3: Cross multiply
    8,625.42x = 12,874.13 × 7,434.36
  4. Step 4: Simplify right side
    8,625.42x = 95,710,908.20
  5. Step 5: Solve for x
    x = 95,710,908.20/8,625.42
  6. Step 6: Final answer
    x = 11,096.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.