Home / 11,207.30-15,466.12-6,731.13

Finding the Fourth Proportional to 11,207.30, 15,466.12 and 6,731.13

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Solution

The fourth proportional to 11,207.30, 15,466.12 and 6,731.13 is: 9,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.30 : 15,466.12 = 6,731.13 : x
  2. Step 2: Convert to fraction form
    11,207.30/15,466.12 = 6,731.13/x
  3. Step 3: Cross multiply
    11,207.30x = 15,466.12 × 6,731.13
  4. Step 4: Simplify right side
    11,207.30x = 104,104,463.06
  5. Step 5: Solve for x
    x = 104,104,463.06/11,207.30
  6. Step 6: Final answer
    x = 9,288.99

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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.