Home / 10,423.04-15,634.35-2,631.92

Finding the Fourth Proportional to 10,423.04, 15,634.35 and 2,631.92

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Solution

The fourth proportional to 10,423.04, 15,634.35 and 2,631.92 is: 3,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.04 : 15,634.35 = 2,631.92 : x
  2. Step 2: Convert to fraction form
    10,423.04/15,634.35 = 2,631.92/x
  3. Step 3: Cross multiply
    10,423.04x = 15,634.35 × 2,631.92
  4. Step 4: Simplify right side
    10,423.04x = 41,148,280.28
  5. Step 5: Solve for x
    x = 41,148,280.28/10,423.04
  6. Step 6: Final answer
    x = 3,947.82

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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.