Home / 9,731.28-13,426.69-5,953.07

Finding the Fourth Proportional to 9,731.28, 13,426.69 and 5,953.07

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Solution

The fourth proportional to 9,731.28, 13,426.69 and 5,953.07 is: 8,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.28 : 13,426.69 = 5,953.07 : x
  2. Step 2: Convert to fraction form
    9,731.28/13,426.69 = 5,953.07/x
  3. Step 3: Cross multiply
    9,731.28x = 13,426.69 × 5,953.07
  4. Step 4: Simplify right side
    9,731.28x = 79,930,025.44
  5. Step 5: Solve for x
    x = 79,930,025.44/9,731.28
  6. Step 6: Final answer
    x = 8,213.72

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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.