Home / 10,358.46-15,541.20-4,518.90

Finding the Fourth Proportional to 10,358.46, 15,541.20 and 4,518.90

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Solution

The fourth proportional to 10,358.46, 15,541.20 and 4,518.90 is: 6,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.46 : 15,541.20 = 4,518.90 : x
  2. Step 2: Convert to fraction form
    10,358.46/15,541.20 = 4,518.90/x
  3. Step 3: Cross multiply
    10,358.46x = 15,541.20 × 4,518.90
  4. Step 4: Simplify right side
    10,358.46x = 70,229,128.68
  5. Step 5: Solve for x
    x = 70,229,128.68/10,358.46
  6. Step 6: Final answer
    x = 6,779.88

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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.