Home / 12,346.13-18,520.81-4,023.23

Finding the Fourth Proportional to 12,346.13, 18,520.81 and 4,023.23

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Solution

The fourth proportional to 12,346.13, 18,520.81 and 4,023.23 is: 6,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.13 : 18,520.81 = 4,023.23 : x
  2. Step 2: Convert to fraction form
    12,346.13/18,520.81 = 4,023.23/x
  3. Step 3: Cross multiply
    12,346.13x = 18,520.81 × 4,023.23
  4. Step 4: Simplify right side
    12,346.13x = 74,513,417.06
  5. Step 5: Solve for x
    x = 74,513,417.06/12,346.13
  6. Step 6: Final answer
    x = 6,035.37

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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.