Home / 10,400.60-15,591.54-3,822.32

Finding the Fourth Proportional to 10,400.60, 15,591.54 and 3,822.32

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Solution

The fourth proportional to 10,400.60, 15,591.54 and 3,822.32 is: 5,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.60 : 15,591.54 = 3,822.32 : x
  2. Step 2: Convert to fraction form
    10,400.60/15,591.54 = 3,822.32/x
  3. Step 3: Cross multiply
    10,400.60x = 15,591.54 × 3,822.32
  4. Step 4: Simplify right side
    10,400.60x = 59,595,855.17
  5. Step 5: Solve for x
    x = 59,595,855.17/10,400.60
  6. Step 6: Final answer
    x = 5,730.04

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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.