Home / 9,118.30-13,671.98-3,565.02

Finding the Fourth Proportional to 9,118.30, 13,671.98 and 3,565.02

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Solution

The fourth proportional to 9,118.30, 13,671.98 and 3,565.02 is: 5,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.30 : 13,671.98 = 3,565.02 : x
  2. Step 2: Convert to fraction form
    9,118.30/13,671.98 = 3,565.02/x
  3. Step 3: Cross multiply
    9,118.30x = 13,671.98 × 3,565.02
  4. Step 4: Simplify right side
    9,118.30x = 48,740,882.14
  5. Step 5: Solve for x
    x = 48,740,882.14/9,118.30
  6. Step 6: Final answer
    x = 5,345.39

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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.