Home / 11,547.36-17,239.03-11,137.30

Finding the Fourth Proportional to 11,547.36, 17,239.03 and 11,137.30

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Solution

The fourth proportional to 11,547.36, 17,239.03 and 11,137.30 is: 16,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.36 : 17,239.03 = 11,137.30 : x
  2. Step 2: Convert to fraction form
    11,547.36/17,239.03 = 11,137.30/x
  3. Step 3: Cross multiply
    11,547.36x = 17,239.03 × 11,137.30
  4. Step 4: Simplify right side
    11,547.36x = 191,996,177.88
  5. Step 5: Solve for x
    x = 191,996,177.88/11,547.36
  6. Step 6: Final answer
    x = 16,626.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.