Home / 10,940.54-15,095.36-8,114.45

Finding the Fourth Proportional to 10,940.54, 15,095.36 and 8,114.45

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Solution

The fourth proportional to 10,940.54, 15,095.36 and 8,114.45 is: 11,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.54 : 15,095.36 = 8,114.45 : x
  2. Step 2: Convert to fraction form
    10,940.54/15,095.36 = 8,114.45/x
  3. Step 3: Cross multiply
    10,940.54x = 15,095.36 × 8,114.45
  4. Step 4: Simplify right side
    10,940.54x = 122,490,488.76
  5. Step 5: Solve for x
    x = 122,490,488.76/10,940.54
  6. Step 6: Final answer
    x = 11,196.02

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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.