Home / 7,725.60-11,603.90-4,611.68

Finding the Fourth Proportional to 7,725.60, 11,603.90 and 4,611.68

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Solution

The fourth proportional to 7,725.60, 11,603.90 and 4,611.68 is: 6,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.60 : 11,603.90 = 4,611.68 : x
  2. Step 2: Convert to fraction form
    7,725.60/11,603.90 = 4,611.68/x
  3. Step 3: Cross multiply
    7,725.60x = 11,603.90 × 4,611.68
  4. Step 4: Simplify right side
    7,725.60x = 53,513,473.55
  5. Step 5: Solve for x
    x = 53,513,473.55/7,725.60
  6. Step 6: Final answer
    x = 6,926.77

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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.