Home / 10,963.80-16,445.70-9,667.80

Finding the Fourth Proportional to 10,963.80, 16,445.70 and 9,667.80

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Solution

The fourth proportional to 10,963.80, 16,445.70 and 9,667.80 is: 14,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.80 : 16,445.70 = 9,667.80 : x
  2. Step 2: Convert to fraction form
    10,963.80/16,445.70 = 9,667.80/x
  3. Step 3: Cross multiply
    10,963.80x = 16,445.70 × 9,667.80
  4. Step 4: Simplify right side
    10,963.80x = 158,993,738.46
  5. Step 5: Solve for x
    x = 158,993,738.46/10,963.80
  6. Step 6: Final answer
    x = 14,501.70

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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.