Home / 10,748.36-16,127.50-4,906.76

Finding the Fourth Proportional to 10,748.36, 16,127.50 and 4,906.76

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Solution

The fourth proportional to 10,748.36, 16,127.50 and 4,906.76 is: 7,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.36 : 16,127.50 = 4,906.76 : x
  2. Step 2: Convert to fraction form
    10,748.36/16,127.50 = 4,906.76/x
  3. Step 3: Cross multiply
    10,748.36x = 16,127.50 × 4,906.76
  4. Step 4: Simplify right side
    10,748.36x = 79,133,771.90
  5. Step 5: Solve for x
    x = 79,133,771.90/10,748.36
  6. Step 6: Final answer
    x = 7,362.40

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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.