Home / 10,615.46-15,923.54-4,772.08

Finding the Fourth Proportional to 10,615.46, 15,923.54 and 4,772.08

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Solution

The fourth proportional to 10,615.46, 15,923.54 and 4,772.08 is: 7,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.46 : 15,923.54 = 4,772.08 : x
  2. Step 2: Convert to fraction form
    10,615.46/15,923.54 = 4,772.08/x
  3. Step 3: Cross multiply
    10,615.46x = 15,923.54 × 4,772.08
  4. Step 4: Simplify right side
    10,615.46x = 75,988,382.90
  5. Step 5: Solve for x
    x = 75,988,382.90/10,615.46
  6. Step 6: Final answer
    x = 7,158.28

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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.