Home / 11,908.68-16,434.36-6,603.99

Finding the Fourth Proportional to 11,908.68, 16,434.36 and 6,603.99

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Solution

The fourth proportional to 11,908.68, 16,434.36 and 6,603.99 is: 9,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.68 : 16,434.36 = 6,603.99 : x
  2. Step 2: Convert to fraction form
    11,908.68/16,434.36 = 6,603.99/x
  3. Step 3: Cross multiply
    11,908.68x = 16,434.36 × 6,603.99
  4. Step 4: Simplify right side
    11,908.68x = 108,532,349.10
  5. Step 5: Solve for x
    x = 108,532,349.10/11,908.68
  6. Step 6: Final answer
    x = 9,113.72

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1.5x scale

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.