Home / 10,358.79-15,537.83-4,515.35

Finding the Fourth Proportional to 10,358.79, 15,537.83 and 4,515.35

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Solution

The fourth proportional to 10,358.79, 15,537.83 and 4,515.35 is: 6,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.79 : 15,537.83 = 4,515.35 : x
  2. Step 2: Convert to fraction form
    10,358.79/15,537.83 = 4,515.35/x
  3. Step 3: Cross multiply
    10,358.79x = 15,537.83 × 4,515.35
  4. Step 4: Simplify right side
    10,358.79x = 70,158,640.42
  5. Step 5: Solve for x
    x = 70,158,640.42/10,358.79
  6. Step 6: Final answer
    x = 6,772.86

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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.