Home / 10,960.60-16,440.90-9,729.40

Finding the Fourth Proportional to 10,960.60, 16,440.90 and 9,729.40

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Solution

The fourth proportional to 10,960.60, 16,440.90 and 9,729.40 is: 14,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.60 : 16,440.90 = 9,729.40 : x
  2. Step 2: Convert to fraction form
    10,960.60/16,440.90 = 9,729.40/x
  3. Step 3: Cross multiply
    10,960.60x = 16,440.90 × 9,729.40
  4. Step 4: Simplify right side
    10,960.60x = 159,960,092.46
  5. Step 5: Solve for x
    x = 159,960,092.46/10,960.60
  6. Step 6: Final answer
    x = 14,594.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.