Home / 10,429.39-15,644.09-4,810.02

Finding the Fourth Proportional to 10,429.39, 15,644.09 and 4,810.02

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Solution

The fourth proportional to 10,429.39, 15,644.09 and 4,810.02 is: 7,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.39 : 15,644.09 = 4,810.02 : x
  2. Step 2: Convert to fraction form
    10,429.39/15,644.09 = 4,810.02/x
  3. Step 3: Cross multiply
    10,429.39x = 15,644.09 × 4,810.02
  4. Step 4: Simplify right side
    10,429.39x = 75,248,385.78
  5. Step 5: Solve for x
    x = 75,248,385.78/10,429.39
  6. Step 6: Final answer
    x = 7,215.03

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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.