Home / 12,403.75-18,599.74-4,808.58

Finding the Fourth Proportional to 12,403.75, 18,599.74 and 4,808.58

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Solution

The fourth proportional to 12,403.75, 18,599.74 and 4,808.58 is: 7,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.75 : 18,599.74 = 4,808.58 : x
  2. Step 2: Convert to fraction form
    12,403.75/18,599.74 = 4,808.58/x
  3. Step 3: Cross multiply
    12,403.75x = 18,599.74 × 4,808.58
  4. Step 4: Simplify right side
    12,403.75x = 89,438,288.92
  5. Step 5: Solve for x
    x = 89,438,288.92/12,403.75
  6. Step 6: Final answer
    x = 7,210.59

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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.