Home / 12,300.01-18,455.41-6,455.25

Finding the Fourth Proportional to 12,300.01, 18,455.41 and 6,455.25

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Solution

The fourth proportional to 12,300.01, 18,455.41 and 6,455.25 is: 9,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.01 : 18,455.41 = 6,455.25 : x
  2. Step 2: Convert to fraction form
    12,300.01/18,455.41 = 6,455.25/x
  3. Step 3: Cross multiply
    12,300.01x = 18,455.41 × 6,455.25
  4. Step 4: Simplify right side
    12,300.01x = 119,134,285.40
  5. Step 5: Solve for x
    x = 119,134,285.40/12,300.01
  6. Step 6: Final answer
    x = 9,685.71

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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.