Home / 12,355.46-17,050.41-6,690.06

Finding the Fourth Proportional to 12,355.46, 17,050.41 and 6,690.06

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Solution

The fourth proportional to 12,355.46, 17,050.41 and 6,690.06 is: 9,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.46 : 17,050.41 = 6,690.06 : x
  2. Step 2: Convert to fraction form
    12,355.46/17,050.41 = 6,690.06/x
  3. Step 3: Cross multiply
    12,355.46x = 17,050.41 × 6,690.06
  4. Step 4: Simplify right side
    12,355.46x = 114,068,265.92
  5. Step 5: Solve for x
    x = 114,068,265.92/12,355.46
  6. Step 6: Final answer
    x = 9,232.22

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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.