Home / 10,349.80-15,528.30-4,508.20

Finding the Fourth Proportional to 10,349.80, 15,528.30 and 4,508.20

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Solution

The fourth proportional to 10,349.80, 15,528.30 and 4,508.20 is: 6,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.80 : 15,528.30 = 4,508.20 : x
  2. Step 2: Convert to fraction form
    10,349.80/15,528.30 = 4,508.20/x
  3. Step 3: Cross multiply
    10,349.80x = 15,528.30 × 4,508.20
  4. Step 4: Simplify right side
    10,349.80x = 70,004,682.06
  5. Step 5: Solve for x
    x = 70,004,682.06/10,349.80
  6. Step 6: Final answer
    x = 6,763.87

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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.