Home / 9,725.63-13,423.79-5,536.31

Finding the Fourth Proportional to 9,725.63, 13,423.79 and 5,536.31

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Solution

The fourth proportional to 9,725.63, 13,423.79 and 5,536.31 is: 7,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.63 : 13,423.79 = 5,536.31 : x
  2. Step 2: Convert to fraction form
    9,725.63/13,423.79 = 5,536.31/x
  3. Step 3: Cross multiply
    9,725.63x = 13,423.79 × 5,536.31
  4. Step 4: Simplify right side
    9,725.63x = 74,318,209.54
  5. Step 5: Solve for x
    x = 74,318,209.54/9,725.63
  6. Step 6: Final answer
    x = 7,641.48

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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.