Home / 11,120.91-16,700.45-9,874.32

Finding the Fourth Proportional to 11,120.91, 16,700.45 and 9,874.32

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Solution

The fourth proportional to 11,120.91, 16,700.45 and 9,874.32 is: 14,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.91 : 16,700.45 = 9,874.32 : x
  2. Step 2: Convert to fraction form
    11,120.91/16,700.45 = 9,874.32/x
  3. Step 3: Cross multiply
    11,120.91x = 16,700.45 × 9,874.32
  4. Step 4: Simplify right side
    11,120.91x = 164,905,538.07
  5. Step 5: Solve for x
    x = 164,905,538.07/11,120.91
  6. Step 6: Final answer
    x = 14,828.42

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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.