Home / 12,319.17-18,477.74-4,822.83

Finding the Fourth Proportional to 12,319.17, 18,477.74 and 4,822.83

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Solution

The fourth proportional to 12,319.17, 18,477.74 and 4,822.83 is: 7,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.17 : 18,477.74 = 4,822.83 : x
  2. Step 2: Convert to fraction form
    12,319.17/18,477.74 = 4,822.83/x
  3. Step 3: Cross multiply
    12,319.17x = 18,477.74 × 4,822.83
  4. Step 4: Simplify right side
    12,319.17x = 89,114,974.69
  5. Step 5: Solve for x
    x = 89,114,974.69/12,319.17
  6. Step 6: Final answer
    x = 7,233.85

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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.