Home / 9,731.72-13,427.29-5,953.51

Finding the Fourth Proportional to 9,731.72, 13,427.29 and 5,953.51

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Solution

The fourth proportional to 9,731.72, 13,427.29 and 5,953.51 is: 8,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.72 : 13,427.29 = 5,953.51 : x
  2. Step 2: Convert to fraction form
    9,731.72/13,427.29 = 5,953.51/x
  3. Step 3: Cross multiply
    9,731.72x = 13,427.29 × 5,953.51
  4. Step 4: Simplify right side
    9,731.72x = 79,939,505.29
  5. Step 5: Solve for x
    x = 79,939,505.29/9,731.72
  6. Step 6: Final answer
    x = 8,214.32

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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.