Home / 10,374.06-15,561.09-3,448.56

Finding the Fourth Proportional to 10,374.06, 15,561.09 and 3,448.56

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Solution

The fourth proportional to 10,374.06, 15,561.09 and 3,448.56 is: 5,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.06 : 15,561.09 = 3,448.56 : x
  2. Step 2: Convert to fraction form
    10,374.06/15,561.09 = 3,448.56/x
  3. Step 3: Cross multiply
    10,374.06x = 15,561.09 × 3,448.56
  4. Step 4: Simplify right side
    10,374.06x = 53,663,352.53
  5. Step 5: Solve for x
    x = 53,663,352.53/10,374.06
  6. Step 6: Final answer
    x = 5,172.84

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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.