Home / 7,355.12-10,150.26-4,212.32

Finding the Fourth Proportional to 7,355.12, 10,150.26 and 4,212.32

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Solution

The fourth proportional to 7,355.12, 10,150.26 and 4,212.32 is: 5,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.12 : 10,150.26 = 4,212.32 : x
  2. Step 2: Convert to fraction form
    7,355.12/10,150.26 = 4,212.32/x
  3. Step 3: Cross multiply
    7,355.12x = 10,150.26 × 4,212.32
  4. Step 4: Simplify right side
    7,355.12x = 42,756,143.20
  5. Step 5: Solve for x
    x = 42,756,143.20/7,355.12
  6. Step 6: Final answer
    x = 5,813.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.