Home / 10,506.20-15,762.42-4,265.01

Finding the Fourth Proportional to 10,506.20, 15,762.42 and 4,265.01

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Solution

The fourth proportional to 10,506.20, 15,762.42 and 4,265.01 is: 6,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.20 : 15,762.42 = 4,265.01 : x
  2. Step 2: Convert to fraction form
    10,506.20/15,762.42 = 4,265.01/x
  3. Step 3: Cross multiply
    10,506.20x = 15,762.42 × 4,265.01
  4. Step 4: Simplify right side
    10,506.20x = 67,226,878.92
  5. Step 5: Solve for x
    x = 67,226,878.92/10,506.20
  6. Step 6: Final answer
    x = 6,398.78

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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.