Home / 11,454.99-15,808.28-10,930.11

Finding the Fourth Proportional to 11,454.99, 15,808.28 and 10,930.11

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Solution

The fourth proportional to 11,454.99, 15,808.28 and 10,930.11 is: 15,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.99 : 15,808.28 = 10,930.11 : x
  2. Step 2: Convert to fraction form
    11,454.99/15,808.28 = 10,930.11/x
  3. Step 3: Cross multiply
    11,454.99x = 15,808.28 × 10,930.11
  4. Step 4: Simplify right side
    11,454.99x = 172,786,239.31
  5. Step 5: Solve for x
    x = 172,786,239.31/11,454.99
  6. Step 6: Final answer
    x = 15,083.93

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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.