Home / 9,731.66-13,429.69-5,255.42

Finding the Fourth Proportional to 9,731.66, 13,429.69 and 5,255.42

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Solution

The fourth proportional to 9,731.66, 13,429.69 and 5,255.42 is: 7,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.66 : 13,429.69 = 5,255.42 : x
  2. Step 2: Convert to fraction form
    9,731.66/13,429.69 = 5,255.42/x
  3. Step 3: Cross multiply
    9,731.66x = 13,429.69 × 5,255.42
  4. Step 4: Simplify right side
    9,731.66x = 70,578,618.08
  5. Step 5: Solve for x
    x = 70,578,618.08/9,731.66
  6. Step 6: Final answer
    x = 7,252.47

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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.