Home / 7,829.18-11,735.81-4,909.52

Finding the Fourth Proportional to 7,829.18, 11,735.81 and 4,909.52

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Solution

The fourth proportional to 7,829.18, 11,735.81 and 4,909.52 is: 7,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.18 : 11,735.81 = 4,909.52 : x
  2. Step 2: Convert to fraction form
    7,829.18/11,735.81 = 4,909.52/x
  3. Step 3: Cross multiply
    7,829.18x = 11,735.81 × 4,909.52
  4. Step 4: Simplify right side
    7,829.18x = 57,617,193.91
  5. Step 5: Solve for x
    x = 57,617,193.91/7,829.18
  6. Step 6: Final answer
    x = 7,359.29

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1.5x scale

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.