Home / 9,845.91-13,587.21-5,369.58

Finding the Fourth Proportional to 9,845.91, 13,587.21 and 5,369.58

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Solution

The fourth proportional to 9,845.91, 13,587.21 and 5,369.58 is: 7,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.91 : 13,587.21 = 5,369.58 : x
  2. Step 2: Convert to fraction form
    9,845.91/13,587.21 = 5,369.58/x
  3. Step 3: Cross multiply
    9,845.91x = 13,587.21 × 5,369.58
  4. Step 4: Simplify right side
    9,845.91x = 72,957,611.07
  5. Step 5: Solve for x
    x = 72,957,611.07/9,845.91
  6. Step 6: Final answer
    x = 7,409.94

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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.