Home / 7,822.40-11,737.36-4,860.04

Finding the Fourth Proportional to 7,822.40, 11,737.36 and 4,860.04

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Solution

The fourth proportional to 7,822.40, 11,737.36 and 4,860.04 is: 7,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.40 : 11,737.36 = 4,860.04 : x
  2. Step 2: Convert to fraction form
    7,822.40/11,737.36 = 4,860.04/x
  3. Step 3: Cross multiply
    7,822.40x = 11,737.36 × 4,860.04
  4. Step 4: Simplify right side
    7,822.40x = 57,043,993.99
  5. Step 5: Solve for x
    x = 57,043,993.99/7,822.40
  6. Step 6: Final answer
    x = 7,292.39

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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.