Home / 10,159.61-15,246.09-3,585.78

Finding the Fourth Proportional to 10,159.61, 15,246.09 and 3,585.78

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Solution

The fourth proportional to 10,159.61, 15,246.09 and 3,585.78 is: 5,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.61 : 15,246.09 = 3,585.78 : x
  2. Step 2: Convert to fraction form
    10,159.61/15,246.09 = 3,585.78/x
  3. Step 3: Cross multiply
    10,159.61x = 15,246.09 × 3,585.78
  4. Step 4: Simplify right side
    10,159.61x = 54,669,124.60
  5. Step 5: Solve for x
    x = 54,669,124.60/10,159.61
  6. Step 6: Final answer
    x = 5,381.03

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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.