Home / 10,960.78-16,354.43-10,708.66

Finding the Fourth Proportional to 10,960.78, 16,354.43 and 10,708.66

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Solution

The fourth proportional to 10,960.78, 16,354.43 and 10,708.66 is: 15,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.78 : 16,354.43 = 10,708.66 : x
  2. Step 2: Convert to fraction form
    10,960.78/16,354.43 = 10,708.66/x
  3. Step 3: Cross multiply
    10,960.78x = 16,354.43 × 10,708.66
  4. Step 4: Simplify right side
    10,960.78x = 175,134,030.36
  5. Step 5: Solve for x
    x = 175,134,030.36/10,960.78
  6. Step 6: Final answer
    x = 15,978.25

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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.