Home / 11,103.12-15,307.38-10,759.14

Finding the Fourth Proportional to 11,103.12, 15,307.38 and 10,759.14

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Solution

The fourth proportional to 11,103.12, 15,307.38 and 10,759.14 is: 14,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.12 : 15,307.38 = 10,759.14 : x
  2. Step 2: Convert to fraction form
    11,103.12/15,307.38 = 10,759.14/x
  3. Step 3: Cross multiply
    11,103.12x = 15,307.38 × 10,759.14
  4. Step 4: Simplify right side
    11,103.12x = 164,694,244.45
  5. Step 5: Solve for x
    x = 164,694,244.45/11,103.12
  6. Step 6: Final answer
    x = 14,833.15

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Double scale
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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.