Home / 10,744.38-14,828.31-7,214.94

Finding the Fourth Proportional to 10,744.38, 14,828.31 and 7,214.94

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Solution

The fourth proportional to 10,744.38, 14,828.31 and 7,214.94 is: 9,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.38 : 14,828.31 = 7,214.94 : x
  2. Step 2: Convert to fraction form
    10,744.38/14,828.31 = 7,214.94/x
  3. Step 3: Cross multiply
    10,744.38x = 14,828.31 × 7,214.94
  4. Step 4: Simplify right side
    10,744.38x = 106,985,366.95
  5. Step 5: Solve for x
    x = 106,985,366.95/10,744.38
  6. Step 6: Final answer
    x = 9,957.33

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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.