Home / 11,763.04-17,611.60-8,633.20

Finding the Fourth Proportional to 11,763.04, 17,611.60 and 8,633.20

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Solution

The fourth proportional to 11,763.04, 17,611.60 and 8,633.20 is: 12,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.04 : 17,611.60 = 8,633.20 : x
  2. Step 2: Convert to fraction form
    11,763.04/17,611.60 = 8,633.20/x
  3. Step 3: Cross multiply
    11,763.04x = 17,611.60 × 8,633.20
  4. Step 4: Simplify right side
    11,763.04x = 152,044,465.12
  5. Step 5: Solve for x
    x = 152,044,465.12/11,763.04
  6. Step 6: Final answer
    x = 12,925.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.