Home / 10,849.70-14,970.54-6,371.81

Finding the Fourth Proportional to 10,849.70, 14,970.54 and 6,371.81

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Solution

The fourth proportional to 10,849.70, 14,970.54 and 6,371.81 is: 8,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.70 : 14,970.54 = 6,371.81 : x
  2. Step 2: Convert to fraction form
    10,849.70/14,970.54 = 6,371.81/x
  3. Step 3: Cross multiply
    10,849.70x = 14,970.54 × 6,371.81
  4. Step 4: Simplify right side
    10,849.70x = 95,389,490.03
  5. Step 5: Solve for x
    x = 95,389,490.03/10,849.70
  6. Step 6: Final answer
    x = 8,791.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.