Home / 10,941.54-15,096.74-8,115.45

Finding the Fourth Proportional to 10,941.54, 15,096.74 and 8,115.45

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Solution

The fourth proportional to 10,941.54, 15,096.74 and 8,115.45 is: 11,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.54 : 15,096.74 = 8,115.45 : x
  2. Step 2: Convert to fraction form
    10,941.54/15,096.74 = 8,115.45/x
  3. Step 3: Cross multiply
    10,941.54x = 15,096.74 × 8,115.45
  4. Step 4: Simplify right side
    10,941.54x = 122,516,838.63
  5. Step 5: Solve for x
    x = 122,516,838.63/10,941.54
  6. Step 6: Final answer
    x = 11,197.40

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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.