Home / 9,869.52-13,613.58-5,887.56

Finding the Fourth Proportional to 9,869.52, 13,613.58 and 5,887.56

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Solution

The fourth proportional to 9,869.52, 13,613.58 and 5,887.56 is: 8,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.52 : 13,613.58 = 5,887.56 : x
  2. Step 2: Convert to fraction form
    9,869.52/13,613.58 = 5,887.56/x
  3. Step 3: Cross multiply
    9,869.52x = 13,613.58 × 5,887.56
  4. Step 4: Simplify right side
    9,869.52x = 80,150,769.06
  5. Step 5: Solve for x
    x = 80,150,769.06/9,869.52
  6. Step 6: Final answer
    x = 8,121.04

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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.