Home / 10,769.84-16,154.64-4,200.63

Finding the Fourth Proportional to 10,769.84, 16,154.64 and 4,200.63

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Solution

The fourth proportional to 10,769.84, 16,154.64 and 4,200.63 is: 6,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.84 : 16,154.64 = 4,200.63 : x
  2. Step 2: Convert to fraction form
    10,769.84/16,154.64 = 4,200.63/x
  3. Step 3: Cross multiply
    10,769.84x = 16,154.64 × 4,200.63
  4. Step 4: Simplify right side
    10,769.84x = 67,859,741.15
  5. Step 5: Solve for x
    x = 67,859,741.15/10,769.84
  6. Step 6: Final answer
    x = 6,300.91

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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.