Home / 8,683.14-12,002.40-7,994.22

Finding the Fourth Proportional to 8,683.14, 12,002.40 and 7,994.22

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Solution

The fourth proportional to 8,683.14, 12,002.40 and 7,994.22 is: 11,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.14 : 12,002.40 = 7,994.22 : x
  2. Step 2: Convert to fraction form
    8,683.14/12,002.40 = 7,994.22/x
  3. Step 3: Cross multiply
    8,683.14x = 12,002.40 × 7,994.22
  4. Step 4: Simplify right side
    8,683.14x = 95,949,826.13
  5. Step 5: Solve for x
    x = 95,949,826.13/8,683.14
  6. Step 6: Final answer
    x = 11,050.13

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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.