Home / 9,516.57-13,135.53-5,538.45

Finding the Fourth Proportional to 9,516.57, 13,135.53 and 5,538.45

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Solution

The fourth proportional to 9,516.57, 13,135.53 and 5,538.45 is: 7,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.57 : 13,135.53 = 5,538.45 : x
  2. Step 2: Convert to fraction form
    9,516.57/13,135.53 = 5,538.45/x
  3. Step 3: Cross multiply
    9,516.57x = 13,135.53 × 5,538.45
  4. Step 4: Simplify right side
    9,516.57x = 72,750,476.13
  5. Step 5: Solve for x
    x = 72,750,476.13/9,516.57
  6. Step 6: Final answer
    x = 7,644.61

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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.