Home / 10,372.16-15,561.36-4,828.79

Finding the Fourth Proportional to 10,372.16, 15,561.36 and 4,828.79

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Solution

The fourth proportional to 10,372.16, 15,561.36 and 4,828.79 is: 7,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.16 : 15,561.36 = 4,828.79 : x
  2. Step 2: Convert to fraction form
    10,372.16/15,561.36 = 4,828.79/x
  3. Step 3: Cross multiply
    10,372.16x = 15,561.36 × 4,828.79
  4. Step 4: Simplify right side
    10,372.16x = 75,142,578.46
  5. Step 5: Solve for x
    x = 75,142,578.46/10,372.16
  6. Step 6: Final answer
    x = 7,244.64

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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.