Home / 10,148.64-15,222.92-3,574.08

Finding the Fourth Proportional to 10,148.64, 15,222.92 and 3,574.08

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Solution

The fourth proportional to 10,148.64, 15,222.92 and 3,574.08 is: 5,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.64 : 15,222.92 = 3,574.08 : x
  2. Step 2: Convert to fraction form
    10,148.64/15,222.92 = 3,574.08/x
  3. Step 3: Cross multiply
    10,148.64x = 15,222.92 × 3,574.08
  4. Step 4: Simplify right side
    10,148.64x = 54,407,933.91
  5. Step 5: Solve for x
    x = 54,407,933.91/10,148.64
  6. Step 6: Final answer
    x = 5,361.11

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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.