Home / 9,725.70-13,416.53-5,689.89

Finding the Fourth Proportional to 9,725.70, 13,416.53 and 5,689.89

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Solution

The fourth proportional to 9,725.70, 13,416.53 and 5,689.89 is: 7,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.70 : 13,416.53 = 5,689.89 : x
  2. Step 2: Convert to fraction form
    9,725.70/13,416.53 = 5,689.89/x
  3. Step 3: Cross multiply
    9,725.70x = 13,416.53 × 5,689.89
  4. Step 4: Simplify right side
    9,725.70x = 76,338,512.80
  5. Step 5: Solve for x
    x = 76,338,512.80/9,725.70
  6. Step 6: Final answer
    x = 7,849.15

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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.