Home / 11,118.16-16,681.92-4,874.95

Finding the Fourth Proportional to 11,118.16, 16,681.92 and 4,874.95

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Solution

The fourth proportional to 11,118.16, 16,681.92 and 4,874.95 is: 7,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.16 : 16,681.92 = 4,874.95 : x
  2. Step 2: Convert to fraction form
    11,118.16/16,681.92 = 4,874.95/x
  3. Step 3: Cross multiply
    11,118.16x = 16,681.92 × 4,874.95
  4. Step 4: Simplify right side
    11,118.16x = 81,323,525.90
  5. Step 5: Solve for x
    x = 81,323,525.90/11,118.16
  6. Step 6: Final answer
    x = 7,314.48

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1.5x scale

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.