Home / 11,690.16-17,535.26-3,898.99

Finding the Fourth Proportional to 11,690.16, 17,535.26 and 3,898.99

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Solution

The fourth proportional to 11,690.16, 17,535.26 and 3,898.99 is: 5,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.16 : 17,535.26 = 3,898.99 : x
  2. Step 2: Convert to fraction form
    11,690.16/17,535.26 = 3,898.99/x
  3. Step 3: Cross multiply
    11,690.16x = 17,535.26 × 3,898.99
  4. Step 4: Simplify right side
    11,690.16x = 68,369,803.39
  5. Step 5: Solve for x
    x = 68,369,803.39/11,690.16
  6. Step 6: Final answer
    x = 5,848.49

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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.