Home / 11,586.30-17,355.15-6,386.10

Finding the Fourth Proportional to 11,586.30, 17,355.15 and 6,386.10

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Solution

The fourth proportional to 11,586.30, 17,355.15 and 6,386.10 is: 9,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.30 : 17,355.15 = 6,386.10 : x
  2. Step 2: Convert to fraction form
    11,586.30/17,355.15 = 6,386.10/x
  3. Step 3: Cross multiply
    11,586.30x = 17,355.15 × 6,386.10
  4. Step 4: Simplify right side
    11,586.30x = 110,831,723.42
  5. Step 5: Solve for x
    x = 110,831,723.42/11,586.30
  6. Step 6: Final answer
    x = 9,565.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.