Home / 10,584.81-15,860.79-4,339.55

Finding the Fourth Proportional to 10,584.81, 15,860.79 and 4,339.55

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Solution

The fourth proportional to 10,584.81, 15,860.79 and 4,339.55 is: 6,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.81 : 15,860.79 = 4,339.55 : x
  2. Step 2: Convert to fraction form
    10,584.81/15,860.79 = 4,339.55/x
  3. Step 3: Cross multiply
    10,584.81x = 15,860.79 × 4,339.55
  4. Step 4: Simplify right side
    10,584.81x = 68,828,730.90
  5. Step 5: Solve for x
    x = 68,828,730.90/10,584.81
  6. Step 6: Final answer
    x = 6,502.59

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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.