Home / 9,725.88-13,418.58-5,748.36

Finding the Fourth Proportional to 9,725.88, 13,418.58 and 5,748.36

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Solution

The fourth proportional to 9,725.88, 13,418.58 and 5,748.36 is: 7,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.88 : 13,418.58 = 5,748.36 : x
  2. Step 2: Convert to fraction form
    9,725.88/13,418.58 = 5,748.36/x
  3. Step 3: Cross multiply
    9,725.88x = 13,418.58 × 5,748.36
  4. Step 4: Simplify right side
    9,725.88x = 77,134,828.53
  5. Step 5: Solve for x
    x = 77,134,828.53/9,725.88
  6. Step 6: Final answer
    x = 7,930.88

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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.