Home / 11,870.24-16,380.47-6,565.14

Finding the Fourth Proportional to 11,870.24, 16,380.47 and 6,565.14

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Solution

The fourth proportional to 11,870.24, 16,380.47 and 6,565.14 is: 9,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.24 : 16,380.47 = 6,565.14 : x
  2. Step 2: Convert to fraction form
    11,870.24/16,380.47 = 6,565.14/x
  3. Step 3: Cross multiply
    11,870.24x = 16,380.47 × 6,565.14
  4. Step 4: Simplify right side
    11,870.24x = 107,540,045.99
  5. Step 5: Solve for x
    x = 107,540,045.99/11,870.24
  6. Step 6: Final answer
    x = 9,059.64

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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.