Home / 9,729.17-13,426.26-5,537.42

Finding the Fourth Proportional to 9,729.17, 13,426.26 and 5,537.42

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Solution

The fourth proportional to 9,729.17, 13,426.26 and 5,537.42 is: 7,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.17 : 13,426.26 = 5,537.42 : x
  2. Step 2: Convert to fraction form
    9,729.17/13,426.26 = 5,537.42/x
  3. Step 3: Cross multiply
    9,729.17x = 13,426.26 × 5,537.42
  4. Step 4: Simplify right side
    9,729.17x = 74,346,840.65
  5. Step 5: Solve for x
    x = 74,346,840.65/9,729.17
  6. Step 6: Final answer
    x = 7,641.64

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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.