Home / 10,579.49-15,870.03-3,559.52

Finding the Fourth Proportional to 10,579.49, 15,870.03 and 3,559.52

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Solution

The fourth proportional to 10,579.49, 15,870.03 and 3,559.52 is: 5,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.49 : 15,870.03 = 3,559.52 : x
  2. Step 2: Convert to fraction form
    10,579.49/15,870.03 = 3,559.52/x
  3. Step 3: Cross multiply
    10,579.49x = 15,870.03 × 3,559.52
  4. Step 4: Simplify right side
    10,579.49x = 56,489,689.19
  5. Step 5: Solve for x
    x = 56,489,689.19/10,579.49
  6. Step 6: Final answer
    x = 5,339.55

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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.